If at all possible, work with a personal trainer. I carved out 2 times a month from my budget. It is worth. She always motivates me, gives me new strength exercises to do at home, helps with my form and makes me feel great about strength training.
While I haven't lost a lot more weight working with trainer. (I was just 5 lbs. from goal when I started), but my body looks better, clothes fit better, I have more energy and am more aware of my muscles, posture and movement.