1. Be suspicious of overdoing it. It is much easier to overspend when you find yourself shopping online. You start out to rationalize that you can spend more for those shoes because you saved money on gas and the food you would have gotten if you went to the mall, for example. Give yourself a restriction and stay with it.
2. If you find an excellent product on your own favorite site, search for it in a search engine before you buy it. Make note of the model number or brand, and do a quick search to make sure you can't get it cheaper from somewhere else. You might be able to save a few dollars this way.
3. Read customer testimonials before you buy anything. People are delighted to complain about bad service online, so look for sites and testimonials that are terrible so that you know what you're getting into. You should take bad reviews using a grain of salt, but if you see many, you know you will find a problem.
4. Sign up for the website's newsletter if they have one. Many times stores will give you a discount or some type of deal whenever you sign up for their newsletter. Find out if there is a deal associated with registering for the newsletter at any store you would like to shop at.
5. When you are shopping on the web, make sure that you are merely shopping on secure websites. Look in the web site URL plus it should display "https" as opposed to the usual "http" at the beginning. Always have an updated copy of anti-virus running on your computer also. This will ensure that you have a safe online shopping experience.