Roblox is now letting creators sell in-game items that are only available in limited quantities, according to a post on its developer forums. That means, for example, that a creator can make a small number of digital sweaters for Roblox avatars in an effort to make that sweater feel more valuable. Users will also be able to resell these limited items, and when that happens, the original creator will get a 10 percent cut of every sale.
Before now, creators could already make and sell digital…