Do you have any physical limitations with what exercises you're doing? What is driving you to 'need' a gym membership?
sign up for a Workout Of The Day (WOD) email, and get after it!!! I'm a member of the Spartan Race Series WOD. That will get you into good shape in a hurry!
Remember, get skiny in the kitchen, get strong in the gym*
*gym is wherever you work out.
Just doing what I can to stay on this side of the dirt.