Dmanmud

i recently found a 2003 banshee forsale and the guy is asking $900, he says it lost compression, and i am starting to get into the business where i buy broken atvs and fix them and sell them for more, here is the link to it: http://neworleans.craigslist.org/mcy/2518282216.html i was just wondering what i would have to do to get it running, how much it would cost and how much i could sell it for. i was thinking just a wiseco compression kit, but im new to this so i wanna be safe and get advice before i blow money i dont have