Here some useful, simple tips to prevent being scammed on online stores. This are not individual tips, they are a step-by-step guide, if you make all the following steps, you won’t be scammed by criminals on the web using online stores: 1. Before you pay, check conditions where you can rollback your payment on your own, without the suppliers alternatives. Usually cash is a bad idea, you won’t see it again. For example, credit cards, paypal, third party payment services, depending …