As part of their ongoing 30th anniversary promotion, AA announced today that they were giving triple miles (or, more specifically, triple the usual amount of miles) for donations to the airline's two pet charities. So if you make a donation to Susan G. Komen for the Cure® or American’s Miles In Support of All Who Serve (which benefits the USO), you'll get 30 miles for every dollar donated.
I wouldn't necessarily buy miles at $.033/mile, but for a donation (especially if you ...