I think that would be a good idea. They can still sell it, But if they want to they could put a limit on how many people can buy it. Then when it reached the limit of buys, the people who bought it could sell it for how many robux or tix they want.
Do you mean gear/hats?
If models; Selling scripts isn't allowed, and since many models contain them, no.
If gear/hat; Copyright, inapproprate, moderation, ...
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