Check if the online shop has got the Secure Sockets Layer (SSL) technology certification which means that it has a secure server for getting orders. It is always risk-free to buy a product via a web based auction website using a credit card because it is thought to be a shady activity if ever the dealer prefers to be paid off through wire transfer.
Well before purchasing on the net, pay attention to the terms of the purchase as well as the fine print if there are any. Ruined products and clothes that don't fit right could be brought back. Other things probably are not returnable.
Maybe you have viewed several latest news events on television that depict deceitful online vendors who take prepayments but never send out their merchandise to the consumer; because of this, you must make sure to not ever send upfront payments in the form of cash whenever conducting online purchases. There are some merchants who approve cash on delivery or CODs as payment, but it's not wise for you to pay out in advance by means of cheque or cash on delivery due to the risk of getting scammed.