ANY activity will extend their validity 18 months - there are links to threads on earning miles, sometimes for no expenditure (such as taking surveys, or registering credit cards with Rewards Network / iDine) so she can earn sufficient miles to get an award for you (or someone else?) (See the
Unofficial Users' Guide sticky.)
Originally Posted by
mzredhead
My mother has a little over 10,000 miles in her account and they will expire on Dec. 15th. She does not fly AA. I was wondering if it was worth $130.00 to transfer them to another account.