I need a new addon like it: https://marketplace.cs-cart.com/selecting-products-to-buy-in-the-cart-page.html

I need some one to help me build a checkout addon with requirement:

  • In the Checkout Page, I can select product to checkout
  • After select/unselect product: The cost will be re-calculate
  • After finish the checkout step, the rest of product still exists in the cart


This is our addon. This addon has all features from your request.

Feel free to ask any question.