Checkout Validator is a versatile app designed to optimize your shopping experience by implementing order limits across your cart, products, and collections. It enables you to set maximum and minimum order quantities, enhancing the purchasing process by restricting orders when limits are exceeded. For instance, you can restrict a product to 2 units per order with an error message, "Maximum 2 quantities allowed," helping to manage customer expectations clearly. The app offers extensive customization options, allowing you to create rules based on criteria such as total amount, product quantity, country, and product type, ensuring your unique business needs are met. It effectively prevents orders from proceeding if set conditions aren't met, such as applying restrictions for an entire cart or specific products, and provides compatibility with Shopify checkout functions. Additionally, it enables conditional rules based on prices, quantity, and weight, offering a comprehensive solution to managing your sales strategy and improving overall customer satisfaction.