Building a viv for an unhandy person?

[Sevvy]

Well, I seem to have been bit by the snake bug, so I fully expect to be thinking about a second snake by next summer. Unfortunately I'm a college student on a limited budget and I'm probably going to want a 6-8 foot snake, and craigslist is unreliable.

So! Who here can give tips/how-to on building a pretty and relatively lightweight budget vivarium for someone who is absolutely, positively not handy (and maybe a little afraid of saws)? I know that there are already guides out there, but I don't know what's the best. There's a good chance I'll choose a boa or python (fingers crossed that I find an automatic mister that works), so I'm hoping to build something that will hold in moisture somewhat.