Hi. I know very little about exercise. I rather stay at home instead of go the gym. So I need a decent machine. I do aerobics, but I don't actually do any weight training. So I'm looking for a simple cost-effective 1-person exercise machine that will make it easy for me. I really don't like bench lifting. And I rather have some kind of machine than exercise with my body. So it would be good to have a decent exercise machine that can do the whole job. And a plan. Please if anybody is well versed in self fitness, I really need to get in shape to have alot of energy for a very physically intensive activity coming up in a few months. And I can barely do a pushup. Am I screwed?