While certain frequent travel loyalty programs may differ in some areas, there are certain activities that generally keep miles and points from expiring. This thread is designed to be the definitive yet general all-purpose thread for those who want to know how to keep their miles and points from expiring. Obviously, flying on an airplane or staying in a hotel room will keep miles and points respectively from expiring. However, many airline and hotel frequent traveler loyalty programs also usually offer the following general methods of extending the expiration date of miles and points: Install a search toolbar in your Internet web browser for each loyalty program, if available Purchase goods at the shopping area portion of the Internet web site of the airline or hotel company Rent a car and credit your rental to the desired airline or hotel frequent traveler loyalty program Participate in the latest promotions in which you have a chance of winning miles or points Obtain an affinity credit card which allows you to earn miles and points with every purchase These are simply a few of many ways to extend the expiration dates of miles and points. Some of the ways are free of charge; others involve purchases you might have made anyway. Links to more specific threads in the appropriate airline and hotel forums on milepoint.com should be posted in this thread as well.