Okay so far i've lost 31 pounds out of the 50 i'm aiming to loose but the problem is none of my old clothes fit right so i'm not sure what to wear and i can't go out and buy some more clothes b/c i'm gonna loose 20 more pounds and i'm planning on buying new clothes when i'm completely done w/ weight loss. WHAT DO I DO?

Unfortunately, buying some new clothes will be your cheapest option (having your current one altered will be more expensive than buying cheap clothes somewhere). If you keep away from Neiman Marcus and the like, you can get a couple of week's worth of clothing (jeans, tees, etc.) for a couple hundred bucks or less if you watch for clearance. The only other option is to wear the clothes that don't fit for a while longer.