Every kind of seller can find an app, whether they are selling handmade goods, electronics, or apparel. The most popular apps for selling & reselling are Mercari, eBay, andyoutube care Poshmark. The ability to convert unwanted goods into cash is one of the main advantages of buying, selling, and reselling apps. Many people are turning to selling and reselling apps as a way to reduce waste & make money from things that would otherwise end up in landfills as sustainable living and conscious consumerism become more popular.