On Yaga platform regular people sell various goods in their personal online shops.
Other people can browse the platform (from a web browser or in a mobile app) to look for items that they might like.
Once they see something interesting, they can buy the item, that is then delivered to them in a package.
Seller receives their payment from Yaga minus a fee.
For the buyer there are no additional Yaga fees besides the money that they pay to the seller. This includes the shipping fee.