I asked my sister the other day how to get my blog address to other relevant sites. She gave me some answer about non-profits (she works with non-profits) and might as well been speaking Portuguese with me because I didn't understand what she was saying. But, it did remind me of a great way to extend frequent flier miles that are about to expire and help out a Charity in the meantime. Most US airlines frequent flier miles (Delta is an exception - their miles do not expire) expire after a certain amount of inactivity. United, US Air, American, Hawaiian, and Virgin America expire after 18 months of inactivity. Southwest and Alaska Airlines expire after 24 months of inactivity (and Jet Blue 12 months, but this does not apply to them as they do not extend miles without having their credit card or flying them). Virgin Atlantic, British Airways and Lufthansa expire after 36 months of inactivity. A year and a half goes quickly and for a lot of...