I am a newbie, building a sig kadet mark II and $30 dollars for tools is a low ball number unless you already have it all. You need things like a good metal ruler, assortment of glues, hobby knife, dremel comes in real handy, sand paper, extra balsa if you screw up. Small linkages and such to attach control surfaces. It all adds up. Plus AMA membership and local club dues cause you will want an instructor. I would take the advice of the guys that have posted already for you. Remember they have done this before and really know whats going on in this hobby.