Shopping list, prices, and step-by-step instructions to build a durable and versitile home studio…for less than $100! This is a good guide if you want to make your own photo studio on the cheap. The sections are divided in to plumbing, nuts and bolts, electrical, oversized wood and backdrops. It looks like many of these things might already be laying around most basements, so you could do it for even less than $100. Link.
Photo Studio for Less Than $100