Well I work part time (but I get full time job like shifts) and barely make any $. Most of it goes to my DSL connection. I sometimes have a hard time to save...like now. I had $784 in my account and my first month of DSL was $413, and then now I am getting alignment and oil change today for my car which will cost $90 and then plus i am getting a headunit for about $200 (but my friend is hooking me up with his 40-45 % discount).
I am just modding my car slowly and then when I think its enough, I need to start saving for future needs. I would advise you to save for a year or two and then when you got some $, start modding.