I bought this about a week & a half and have been on it religiously doing 700 to 1400 steps a night. I don't have much stamina right now, but I can do 700 steps in 15 minutes. I have lost 3 pounds. I plan to keep my exercises going because this thing has motivated me now with just the few pounds in such a short time. It's sturdy and light enough to pick up and move to a corner out of the way. I can easily move it back in front of the TV to have something to watch while I exercise. I can feel it working in my legs and buttocks. I am going to have the best looking legs when I get really into this. I didn't think it would do much for my arms, but my right arm has been a little sore from leaning on it some when I get tired. I switch off and use my left arm at times to rest on. It reminds me of riding a bike. I feel like I am riding a bike every day but from the comfort of my own home. It's awesome! The price is a steal and it does work!!!! I have a bad knee and it was easy on my knees starting out. About a week into it, my right knee started hurting, but I truly believe it's just from pushing myself to excercise harder. Once more weight comes off, my knees will get better. I had gotten so heavy that I began having a lot of knee problems. I put my knee brace on with this and that helps. I already feel good about myself....slightly beautiful again. I don't feel as bloated either which is odd considering only a few pounds have come off, but I've noticed it. Once I lose more weight, I am going to incorporate in hand weights to tone my arms. Great product!