It probably works out as high as regular gift cards. They're easier to find (just search your email) but they're easier to buy so one can get much more of them.

It probably works out as high as regular gift cards. They're easier to find (just search your email) but they're easier to buy so one can get much more of them. I have friends who bought "pay $X for 10 workouts" but only end up going once before it expired.