pretty much. everytime i see those i just cringe, people just need things marketed to them. but i guess its better than nothing.
anyway op just read through http://forums.d2jsp.org/topic.php?t=61584284&f=60
seems like your goal is just to lose 10 lbs. gym membership isn't necessary but if you want a workout i dont see why not, if you have other goals besides current weight-10 lbs you can search around and find a well researched pre-made program that fits it