I know, because I see it everyday with my 3 online businesses. And to make things worse, these habitual refunders, as well as some of your actual, normal customers, most likely will. Start sharing your product (distributing illegal copies, in other words) with their friends, family, and coworkers giving them free access to your valuable products when they should be paying you for it Make your product available for free (sometimes unknowingly) to hundreds of thousands of people that use of P2P (peer-to-peer) file sharing networks making it easy for anyone to steal your product in just a few clicks Upload a co...