Buy inexpensive workout and aerobic videotapes and use them at home with your TV. You could easily get a better workout than you’d get at a health club, and you can own the tapes for $5 to $10 each. Rent them first until you know you like them.
If you're at least 62 years old, you can score a $10 lifetime pass to America's federal parks and recreational lands. But act quickly because fees are about to jump.