One-Item-Allow-Cart

This plugin is restricts the number of products that can be added to the cart to just one. This means that if a customer adds a new product to the cart, any existing product will be removed automatically, ensuring that only one product remains in the cart.

How does One-Item-Allow-Cart work?

One-Item-Allow-Cart hooks into WooCommerce’s cart handling process and restricts the number of products allowed in the cart to just one. Whenever a new product is added to the cart, any existing product is removed automatically.