Typically, it is legal to buy and resell items. However, there are some exceptions: Digital media Recalled products Prescription medications Animals Tickets to events There are also a few legal issues to be aware of when reselling items that you have purchased. Note that any warranties that came with the product will be void when you sell it to a new consumer. You should mention this in your product’s description if applicable. Second, you can’t use trademarked logos or copyrighted photographs or other media from the original manufacturer without permission. And finally, there are tax implications. It’s okay to sell items from your closet without making a profit, but if you are flipping items, you’ll need to report what you earn as a capital gain. You’ll also have to charge sales tax on the items you sell in addition to paying sales tax when you purchase them, unless you have a resale license. If you use an online marketplace like Poshmark, the buyer will be automatically charged sales tax in accordance with state laws.