Read the fine print
Many online stores offer discount club cards that allow discounts on merchandise. Most of the time there is a catch. You'll be asked for some personal information in exchange for the club cards. Be sure to read the agreement fully, or email them if you have questions
More Fine Print
Reading the privacy policy of sites you do business with is not only smart, it might save you some time, money and trouble if disputes occur over transactions. Some things you should take not of are what identifying information they require, the methodology of collection, how the information is to be used, and with whom it is shared. Make sure there is contact information available on the website in case you have further questions or issues to discuss. A site that asks for personal information about you should have a privacy policy in place