diff --git a/src/Casts/HtmlDateTimeCast.php b/src/Casts/HtmlDateTimeCast.php
new file mode 100644
index 0000000..44695e3
--- /dev/null
+++ b/src/Casts/HtmlDateTimeCast.php
@@ -0,0 +1,70 @@
+<?php
+
+namespace Blax\Shop\Casts;
+
+use Carbon\Carbon;
+use Illuminate\Contracts\Database\Eloquent\CastsAttributes;
+use Illuminate\Database\Eloquent\Model;
+
+/**
+ * Cast for datetime fields that:
+ * - Accepts string, DateTimeInterface, or Carbon as input
+ * - Stores as Unix timestamp in database (integer)
+ * - Returns Carbon instance on get
+ * 
+ * Usage for HTML5 datetime-local inputs:
+ * $model->created_at->format('Y-m-d\TH:i')
+ */
+class HtmlDateTimeCast implements CastsAttributes
+{
+    /**
+     * Cast the given value.
+     *
+     * @param  array<string, mixed>  $attributes
+     */
+    public function get(Model $model, string $key, mixed $value, array $attributes): ?Carbon
+    {
+        if ($value === null) {
+            return null;
+        }
+
+        // Convert timestamp to Carbon
+        return Carbon::createFromTimestamp($value);
+    }
+
+    /**
+     * Prepare the given value for storage.
+     *
+     * @param  array<string, mixed>  $attributes
+     */
+    public function set(Model $model, string $key, mixed $value, array $attributes): ?int
+    {
+        if ($value === null) {
+            return null;
+        }
+
+        // Handle Carbon instances
+        if ($value instanceof Carbon) {
+            return $value->timestamp;
+        }
+
+        // Handle DateTimeInterface
+        if ($value instanceof \DateTimeInterface) {
+            return Carbon::instance($value)->timestamp;
+        }
+
+        // Handle string input (including HTML5 datetime-local format)
+        if (is_string($value)) {
+            return Carbon::parse($value)->timestamp;
+        }
+
+        // Handle numeric timestamp
+        if (is_numeric($value)) {
+            return (int) $value;
+        }
+
+        throw new \InvalidArgumentException(
+            "Invalid datetime value for {$key}. Expected string, DateTimeInterface, Carbon, or timestamp."
+        );
+    }
+}
diff --git a/src/Models/Cart.php b/src/Models/Cart.php
index 3d3b9cf..4de90a1 100644
--- a/src/Models/Cart.php
+++ b/src/Models/Cart.php
@@ -2,6 +2,7 @@
 
 namespace Blax\Shop\Models;
 
+use Blax\Shop\Casts\HtmlDateTimeCast;
 use Blax\Shop\Contracts\Cartable;
 use Blax\Shop\Enums\CartStatus;
 use Blax\Shop\Enums\ProductType;
@@ -40,8 +41,8 @@ class Cart extends Model
         'converted_at' => 'datetime',
         'last_activity_at' => 'datetime',
         'meta' => 'object',
-        'from_date' => 'datetime',
-        'until_date' => 'datetime',
+        'from_date' => HtmlDateTimeCast::class,
+        'until_date' => HtmlDateTimeCast::class,
     ];
 
     protected $appends = [
diff --git a/src/Models/CartItem.php b/src/Models/CartItem.php
index d54c03e..6702a9c 100644
--- a/src/Models/CartItem.php
+++ b/src/Models/CartItem.php
@@ -2,6 +2,7 @@
 
 namespace Blax\Shop\Models;
 
+use Blax\Shop\Casts\HtmlDateTimeCast;
 use Blax\Shop\Exceptions\InvalidDateRangeException;
 use Blax\Workkit\Traits\HasMeta;
 use Illuminate\Database\Eloquent\Concerns\HasUuids;
@@ -35,8 +36,8 @@ class CartItem extends Model
         'subtotal' => 'decimal:2',
         'parameters' => 'array',
         'meta' => 'array',
-        'from' => 'datetime',
-        'until' => 'datetime',
+        'from' => HtmlDateTimeCast::class,
+        'until' => HtmlDateTimeCast::class,
     ];
 
     protected $appends = [
diff --git a/src/Traits/MayBePoolProduct.php b/src/Traits/MayBePoolProduct.php
index 00ebb41..67e7dde 100644
--- a/src/Traits/MayBePoolProduct.php
+++ b/src/Traits/MayBePoolProduct.php
@@ -107,7 +107,7 @@ trait MayBePoolProduct
 
     /**
      * Claim stock for a pool product
-     * This will claim stock from the available single items
+     * This will claim stock from the available single items, respecting the pricing strategy
      * 
      * @param int $quantity Number of pool items to claim
      * @param mixed $reference Reference model
@@ -134,13 +134,28 @@ trait MayBePoolProduct
             throw new \Exception('Pool product has no single items to claim');
         }
 
-        // Get available single items for the period
+        // Get pricing strategy
+        $strategy = $this->getPricingStrategy();
+
+        // Build list of available single items with their prices
         $availableItems = [];
         foreach ($singleItems as $item) {
             if ($item->isAvailableForBooking($from, $until, 1)) {
-                $availableItems[] = $item;
+                // Get the price for this item
+                $price = $item->defaultPrice()->first()?->getCurrentPrice($item->isOnSale());
+
+                // If item has no price, use pool's fallback price
+                if ($price === null && $this->hasPrice()) {
+                    $price = $this->defaultPrice()->first()?->getCurrentPrice($this->isOnSale());
+                }
+
+                $availableItems[] = [
+                    'item' => $item,
+                    'price' => $price ?? PHP_FLOAT_MAX, // Items without prices go last
+                ];
             }
 
+            // Early exit if we have enough
             if (count($availableItems) >= $quantity) {
                 break;
             }
@@ -150,9 +165,19 @@ trait MayBePoolProduct
             throw new \Exception("Only " . count($availableItems) . " items available, but {$quantity} requested");
         }
 
-        // Claim stock from each selected single item
+        // Sort by pricing strategy
+        usort($availableItems, function ($a, $b) use ($strategy) {
+            return match ($strategy) {
+                \Blax\Shop\Enums\PricingStrategy::LOWEST => $a['price'] <=> $b['price'],
+                \Blax\Shop\Enums\PricingStrategy::HIGHEST => $b['price'] <=> $a['price'],
+                \Blax\Shop\Enums\PricingStrategy::AVERAGE => 0, // Keep original order for average
+            };
+        });
+
+        // Claim stock from selected items in order
         $claimedItems = [];
-        foreach (array_slice($availableItems, 0, $quantity) as $item) {
+        foreach (array_slice($availableItems, 0, $quantity) as $itemData) {
+            $item = $itemData['item'];
             $item->claimStock(1, $reference, $from, $until, $note);
             $claimedItems[] = $item;
         }
diff --git a/tests/Feature/PoolClaimingPriorityTest.php b/tests/Feature/PoolClaimingPriorityTest.php
new file mode 100644
index 0000000..0901677
--- /dev/null
+++ b/tests/Feature/PoolClaimingPriorityTest.php
@@ -0,0 +1,228 @@
+<?php
+
+namespace Blax\Shop\Tests\Feature;
+
+use Blax\Shop\Enums\PriceType;
+use Blax\Shop\Enums\PricingStrategy;
+use Blax\Shop\Enums\ProductType;
+use Blax\Shop\Models\Cart;
+use Blax\Shop\Models\Product;
+use Blax\Shop\Models\ProductPrice;
+use Blax\Shop\Tests\TestCase;
+use Carbon\Carbon;
+
+class PoolClaimingPriorityTest extends TestCase
+{
+    /** @test */
+    public function it_claims_lowest_priced_items_first_with_lowest_strategy()
+    {
+        // Create pool product
+        $pool = Product::factory()->create([
+            'name' => 'Parking Pool',
+            'type' => ProductType::POOL,
+            'manage_stock' => false,
+        ]);
+
+        // Set pool pricing strategy to LOWEST
+        $pool->setPoolPricingStrategy(PricingStrategy::LOWEST);
+
+        // Create fallback price on pool
+        ProductPrice::factory()->create([
+            'purchasable_id' => $pool->id,
+            'purchasable_type' => Product::class,
+            'type' => PriceType::RECURRING,
+            'unit_amount' => 500, // $5.00 fallback
+            'is_default' => true,
+        ]);
+
+        // Create single parking spots with different prices
+        $spot1 = Product::factory()->create([
+            'name' => 'Parking Spot 1',
+            'type' => ProductType::BOOKING,
+            'manage_stock' => true,
+        ]);
+        $spot1->increaseStock(1);
+
+        ProductPrice::factory()->create([
+            'purchasable_id' => $spot1->id,
+            'purchasable_type' => Product::class,
+            'type' => PriceType::RECURRING,
+            'unit_amount' => 500, // $5.00
+            'is_default' => true,
+        ]);
+
+        $spot2 = Product::factory()->create([
+            'name' => 'Parking Spot 2',
+            'type' => ProductType::BOOKING,
+            'manage_stock' => true,
+        ]);
+        $spot2->increaseStock(1);
+
+        ProductPrice::factory()->create([
+            'purchasable_id' => $spot2->id,
+            'purchasable_type' => Product::class,
+            'type' => PriceType::RECURRING,
+            'unit_amount' => 1000, // $10.00 (most expensive)
+            'is_default' => true,
+        ]);
+
+        $spot3 = Product::factory()->create([
+            'name' => 'Parking Spot 3',
+            'type' => ProductType::BOOKING,
+            'manage_stock' => true,
+        ]);
+        $spot3->increaseStock(1);
+
+        // Spot 3 has NO price - should use pool fallback (500)
+
+        // Attach spots to pool
+        $pool->attachSingleItems([$spot1->id, $spot2->id, $spot3->id]);
+
+        // Create cart and claim 3 spots
+        $cart = Cart::factory()->create();
+        $from = Carbon::now()->addDays(1);
+        $until = Carbon::now()->addDays(3);
+
+        $claimedItems = $pool->claimPoolStock(3, $cart, $from, $until);
+
+        // Should claim in order: spot1 (500), spot3 (500 fallback), spot2 (1000)
+        $this->assertCount(3, $claimedItems);
+
+        // Extract IDs for easier comparison
+        $claimedIds = array_map(fn($item) => $item->id, $claimedItems);
+
+        // First two should be spot1 and spot3 (both $5.00) in some order
+        $this->assertContains($spot1->id, [$claimedIds[0], $claimedIds[1]]);
+        $this->assertContains($spot3->id, [$claimedIds[0], $claimedIds[1]]);
+
+        // Last should be spot2 (most expensive)
+        $this->assertEquals($spot2->id, $claimedIds[2]);
+    }
+
+    /** @test */
+    public function it_claims_highest_priced_items_first_with_highest_strategy()
+    {
+        // Create pool product
+        $pool = Product::factory()->create([
+            'name' => 'Premium Parking Pool',
+            'type' => ProductType::POOL,
+            'manage_stock' => false,
+        ]);
+
+        // Set pool pricing strategy to HIGHEST
+        $pool->setPoolPricingStrategy(PricingStrategy::HIGHEST);
+
+        // Create fallback price on pool
+        ProductPrice::factory()->create([
+            'purchasable_id' => $pool->id,
+            'purchasable_type' => Product::class,
+            'type' => PriceType::RECURRING,
+            'unit_amount' => 500,
+            'is_default' => true,
+        ]);
+
+        // Create spots with different prices
+        $cheapSpot = Product::factory()->create([
+            'name' => 'Cheap Spot',
+            'type' => ProductType::BOOKING,
+            'manage_stock' => true,
+        ]);
+        $cheapSpot->increaseStock(1);
+
+        ProductPrice::factory()->create([
+            'purchasable_id' => $cheapSpot->id,
+            'purchasable_type' => Product::class,
+            'type' => PriceType::RECURRING,
+            'unit_amount' => 300, // Cheapest
+            'is_default' => true,
+        ]);
+
+        $expensiveSpot = Product::factory()->create([
+            'name' => 'Expensive Spot',
+            'type' => ProductType::BOOKING,
+            'manage_stock' => true,
+        ]);
+        $expensiveSpot->increaseStock(1);
+
+        ProductPrice::factory()->create([
+            'purchasable_id' => $expensiveSpot->id,
+            'purchasable_type' => Product::class,
+            'type' => PriceType::RECURRING,
+            'unit_amount' => 1500, // Most expensive
+            'is_default' => true,
+        ]);
+
+        // Attach to pool
+        $pool->attachSingleItems([$cheapSpot->id, $expensiveSpot->id]);
+
+        // Claim 2 spots
+        $cart = Cart::factory()->create();
+        $from = Carbon::now()->addDays(1);
+        $until = Carbon::now()->addDays(3);
+
+        $claimedItems = $pool->claimPoolStock(2, $cart, $from, $until);
+
+        // Should claim expensive first, then cheap
+        $this->assertEquals($expensiveSpot->id, $claimedItems[0]->id);
+        $this->assertEquals($cheapSpot->id, $claimedItems[1]->id);
+    }
+
+    /** @test */
+    public function it_uses_fallback_price_for_items_without_price()
+    {
+        $pool = Product::factory()->create([
+            'name' => 'Parking Pool',
+            'type' => ProductType::POOL,
+            'manage_stock' => false,
+        ]);
+
+        $pool->setPoolPricingStrategy(PricingStrategy::LOWEST);
+
+        // Pool fallback price
+        ProductPrice::factory()->create([
+            'purchasable_id' => $pool->id,
+            'purchasable_type' => Product::class,
+            'type' => PriceType::RECURRING,
+            'unit_amount' => 500,
+            'is_default' => true,
+        ]);
+
+        // Spot with specific price (higher than fallback)
+        $pricedSpot = Product::factory()->create([
+            'name' => 'Priced Spot',
+            'type' => ProductType::BOOKING,
+            'manage_stock' => true,
+        ]);
+        $pricedSpot->increaseStock(1);
+
+        ProductPrice::factory()->create([
+            'purchasable_id' => $pricedSpot->id,
+            'purchasable_type' => Product::class,
+            'type' => PriceType::RECURRING,
+            'unit_amount' => 1000,
+            'is_default' => true,
+        ]);
+
+        // Spot without price (uses fallback)
+        $unpricedSpot = Product::factory()->create([
+            'name' => 'Unpriced Spot',
+            'type' => ProductType::BOOKING,
+            'manage_stock' => true,
+        ]);
+        $unpricedSpot->increaseStock(1);
+        // No price created for this spot
+
+        $pool->attachSingleItems([$pricedSpot->id, $unpricedSpot->id]);
+
+        // Claim both
+        $cart = Cart::factory()->create();
+        $from = Carbon::now()->addDays(1);
+        $until = Carbon::now()->addDays(3);
+
+        $claimedItems = $pool->claimPoolStock(2, $cart, $from, $until);
+
+        // Unpriced spot (using fallback 500) should be claimed first
+        $this->assertEquals($unpricedSpot->id, $claimedItems[0]->id);
+        $this->assertEquals($pricedSpot->id, $claimedItems[1]->id);
+    }
+}
diff --git a/tests/Unit/HtmlDateTimeCastTest.php b/tests/Unit/HtmlDateTimeCastTest.php
new file mode 100644
index 0000000..6e83dc6
--- /dev/null
+++ b/tests/Unit/HtmlDateTimeCastTest.php
@@ -0,0 +1,155 @@
+<?php
+
+namespace Blax\Shop\Tests\Unit;
+
+use Blax\Shop\Models\Cart;
+use Blax\Shop\Models\CartItem;
+use Blax\Shop\Models\Product;
+use Blax\Shop\Tests\TestCase;
+use Carbon\Carbon;
+
+class HtmlDateTimeCastTest extends TestCase
+{
+    /** @test */
+    public function it_accepts_carbon_instance_and_stores_as_timestamp()
+    {
+        $cart = Cart::factory()->create();
+        $date = Carbon::parse('2025-12-25 14:30:00');
+
+        $cart->from_date = $date;
+        $cart->save();
+
+        // Reload from database
+        $cart->refresh();
+
+        // Should return Carbon instance
+        $this->assertInstanceOf(Carbon::class, $cart->from_date);
+        $this->assertEquals('2025-12-25 14:30:00', $cart->from_date->format('Y-m-d H:i:s'));
+    }
+
+    /** @test */
+    public function it_accepts_datetime_interface_and_stores_as_timestamp()
+    {
+        $cart = Cart::factory()->create();
+        $date = new \DateTime('2025-12-25 14:30:00');
+
+        $cart->from_date = $date;
+        $cart->save();
+
+        $cart->refresh();
+
+        $this->assertInstanceOf(Carbon::class, $cart->from_date);
+        $this->assertEquals('2025-12-25 14:30:00', $cart->from_date->format('Y-m-d H:i:s'));
+    }
+
+    /** @test */
+    public function it_accepts_string_and_stores_as_timestamp()
+    {
+        $cart = Cart::factory()->create();
+
+        // Standard datetime string
+        $cart->from_date = '2025-12-25 14:30:00';
+        $cart->save();
+
+        $cart->refresh();
+
+        $this->assertInstanceOf(Carbon::class, $cart->from_date);
+        $this->assertEquals('2025-12-25 14:30:00', $cart->from_date->format('Y-m-d H:i:s'));
+    }
+
+    /** @test */
+    public function it_accepts_html5_datetime_local_format()
+    {
+        $cart = Cart::factory()->create();
+
+        // HTML5 datetime-local format (YYYY-MM-DDTHH:MM)
+        $cart->from_date = '2025-12-25T14:30';
+        $cart->save();
+
+        $cart->refresh();
+
+        $this->assertInstanceOf(Carbon::class, $cart->from_date);
+        $this->assertEquals('2025-12-25 14:30:00', $cart->from_date->format('Y-m-d H:i:s'));
+    }
+
+    /** @test */
+    public function it_can_format_for_html5_input()
+    {
+        $cart = Cart::factory()->create();
+        $cart->from_date = Carbon::parse('2025-12-25 14:30:00');
+        $cart->save();
+
+        $cart->refresh();
+
+        // Can format for HTML5 datetime-local input
+        $htmlFormat = $cart->from_date->format('Y-m-d\TH:i');
+        $this->assertEquals('2025-12-25T14:30', $htmlFormat);
+    }
+
+    /** @test */
+    public function it_handles_null_values()
+    {
+        $cart = Cart::factory()->create();
+        $cart->from_date = null;
+        $cart->save();
+
+        $cart->refresh();
+
+        $this->assertNull($cart->from_date);
+    }
+
+    /** @test */
+    public function it_works_with_cart_items()
+    {
+        $product = Product::factory()->create();
+        $cart = Cart::factory()->create();
+
+        $item = $cart->items()->create([
+            'purchasable_id' => $product->id,
+            'purchasable_type' => get_class($product),
+            'quantity' => 1,
+            'price' => 100,
+            'subtotal' => 100,
+            'from' => '2025-12-25T14:30',
+            'until' => '2025-12-27T10:00',
+        ]);
+
+        $item->refresh();
+
+        $this->assertInstanceOf(Carbon::class, $item->from);
+        $this->assertInstanceOf(Carbon::class, $item->until);
+        $this->assertEquals('2025-12-25T14:30', $item->from->format('Y-m-d\TH:i'));
+        $this->assertEquals('2025-12-27T10:00', $item->until->format('Y-m-d\TH:i'));
+    }
+
+    /** @test */
+    public function it_accepts_unix_timestamp()
+    {
+        $cart = Cart::factory()->create();
+        $timestamp = Carbon::parse('2025-12-25 14:30:00')->timestamp;
+
+        $cart->from_date = $timestamp;
+        $cart->save();
+
+        $cart->refresh();
+
+        $this->assertInstanceOf(Carbon::class, $cart->from_date);
+        $this->assertEquals('2025-12-25 14:30:00', $cart->from_date->format('Y-m-d H:i:s'));
+    }
+
+    /** @test */
+    public function it_maintains_carbon_methods()
+    {
+        $cart = Cart::factory()->create();
+        $cart->from_date = Carbon::parse('2025-12-25 14:30:00');
+        $cart->save();
+
+        $cart->refresh();
+
+        // All Carbon methods should be available
+        $this->assertTrue($cart->from_date->isAfter(Carbon::parse('2025-12-24')));
+        $this->assertTrue($cart->from_date->isBefore(Carbon::parse('2025-12-26')));
+        $this->assertEquals('December', $cart->from_date->format('F'));
+        $this->assertEquals('2025-12-25', $cart->from_date->toDateString());
+    }
+}