you could take your 50.00 to harbor freght and get all the tools you need to do it and have some cash left over.
http://www.harborfreight.com/cpi/cta...emnumber=47902 (40pc metric & standard socket set 2.49 (YES for real))
http://www.harborfreight.com/cpi/cta...emnumber=47902 (22pc combination wrench set metric & Standard 15.99)
http://www.harborfreight.com/cpi/cta...emnumber=90764 (32 piece screwdriver set 3.99)
http://www.harborfreight.com/cpi/cta...itemnumber=532 (6 piece plier set 9.99)
I'm not saying they're the greatest quality tools but they get the job done. They'll break from time to time like anything else, but there's no lifetime warranty like craftsman/snap-on, BUT for somebody on a budget, they're a good deal.