Sort of free magazines

So when I can't find a free offer for a magazine I'll generally trade airline miles (you can gift the magazines to others too). I generally use a different airline every-time I fly so I never get enough miles, so instead of wasting them I'll trade them for miles. Obviously if you use all of your miles this isn't a good option for you. Sometimes an airline will mail me an offer like this (more likely it's from the magazine) and I'll fill out the form (calling the number on the form often reveals other magazine choices) don't be afraid to say you want 3 years (the max), just write it in. Otherwise, I'll use these web sites: