Cory: A quick and inxpensive (relatively) building table can be fabricated from a hollow core door supported by a frame of 2x3's.
On top of this you might put some large ceiling tiles. If you go to an outlet store you can pick up "seconds". This is a door with a blemish or scratch that detracts from the finished quality. These imperfections will not impact it's use as a building table. I bought one with a deep scratch for $5. I positioned the scratch on the underside.
Happy landings, Tony.