First thing for the customer, he must find the products he want to buy.
You have encoded your products, your texts, and you want to accept payments with Bancontact, Visa, or bank online.
You have encoded your products, your texts, you only now have to add payment methods like PayPal.
To add products, you can of course encode everything by hand, but if you have a store on eBay, you may want to recover what you have already encoded.
We have already created a product before. But imagine that you have a limited number of items...