Although there are positives associated with buying merchandise on websites such as eBay or Amazon Marketplace, some downsides exist as well—namely security concerns related issues such as identity theft and credit card fraud; however there are measures one can take such these problems including being aware about protection offered by your credit cards’ insurance policy against fraudulent charges (also known back chargeback policies) and regularly changing passwords used for accessing accounts on different websites where you shop using electronic payment methods so potential hackers will not have easy access information needed steal user data.