You can connect Stripe, PayPal, 2Checkout, and other payment systems to your Tilda website to receive online payments.
This method is perfect for you if you sell products with multiple parameters, such as size, color, type, etc.
How to create an online store or accept payments for single goods and services on Tilda website builder
Using Product Catalog or adding new products manually using blocks from the "Store" category in Tilda Block Library.
This is a step-by-step guide to creating an online store selling different categories of products
Creating a fully-fledged online store and assigning a shopping cart to it on Tilda website builder