Actually, there's one guy at the clubwho got a 3d plane and two sets of wings. He just bought an extra set for about $50. The extra set he assembled with a little dihedral, and set the engine to peak with a little less power. I swear, the thing flew just like a trainer, even better in some respects.
Then, when he got better, he just attached the original wing, and dialed up the high rates, and is fine. Sure he crashes once in a while, Heck, we all do. (Even the really good pilots).

My pont is, buying the extra wing was alot cheaper than a whole plane, and the setup really did work very well. I was quite surprised.

Now that I think about it. His wings had two servos, and he even dialed in a little flaperon. That thing could come in so slow and stable, you could darn near grab it out of the air.

Patriot