I think you could easily spend $75-$100 on good, contest grade wood. Everything else depends on how much you want to spend... c.f. wing tube ($50+), landing gear ($50-$125), tailwheel, control rods, etc., etc. Are you going to buy foam cores, cut them yourself, or build up wing panels?

There are some good flying airplanes out there that can be built cheaply from plans. A list of plans was compiled recently..see link below.

http://www.rcuniverse.com/forum/m_26...tm.htm#2600745