To become a seller, all you have to do is register. It's free to do so and you can start making money online right away.
To stock your store with inventory items, you consume items that belong to other sellers on the site. Their items are the ones you see below on this page. Once you have your own items, they'll appear here as well and will eventually get consumed. That’s how you make money. To learn more click here
The search feature above allows you to search by "Offered by" or by "Item" names only. You can find your inventory, or inventory of friends, using the search feature. Or, you can filter the page to only show a certain denomination like $10 Beta's instead of all products, which is the default setting. That's how you make money. To learn more click here