1. For those who have questions while shopping, search for a live chat function on the online store. Many big brands (and even some boutique stores) now have this functionality. It is possible to chat immediately with a customer care representative to correct any issues or answer any questions before buying. That can present you with a lot of peace of mind.
2. Be mindful which sites you patronize. It is difficult to find out which are around the up or higher and which are not, but there are a few clues. If the address does not sound right or the design seems off, go to a different site. Additionally, if a bunch of pop-up windows begin appearing, close them out and move on.
3. Sign up for the website's newsletter if they have one. Many times stores will give you a reduction or some type of deal when you sign up for their newsletter. Find out if there is a deal associated with signing up for the newsletter at any store you need to shop at.
4. Make sure that you're entering your payment details on a secure site. Try to find "https://" within the URL of the site that you're trying to buy something from. If you don't see that or no sign of any website security, then it's probably a wise idea not to trust those people together with your account information.
5. In order to buy a used product online, learn more about the vendor first. You need to visit their profile to check out reviews written by other shoppers who bought products from this seller. Tend not to hesitate to make contact with the seller to ask a few questions concerning the product you are interested in.