People who lose weight gradually and steadily are more successful in maintaining the weight. Healthy weight loss is an ongoing lifestyle which includes long term changes in eating habits and exercise habits.
It is not necessary that exercises have to be only done at the gym. You can work out in the comfort of your own home. You can get a good work out doing push ups, chin ups, squats, lunges, sit ups by using your own body weight as resistance. You can also invest in the home exercise equipments to improve your strength and aerobic capacity.
These days it seems like almost everyone wants to lose weight. Most people will admit that at one point or the other they have tried to lose weight. There is no full-proof method that will guarantee success, but there are some broad principles that can increase the likelihood of success considerably.