I'll be direct and honest but you may perceive it as blunt or crass. It is not intended to offend.
You will save yourself a HUGE amount of time by getting a good 3D airframe.
The secrets to learning 3D are easy.
1. Pick the correct airframe to learn on. This is huge.
If it needs to be relatively small, then Mojo, Tufflight Bouncer or TuffYak, ValueHobby Sabre, or LamYak.
2. Pick the right gear for it. Also huge.
3. Burn fuel. Lots of fuel.
4. Learn the harrier, bot upright and inverted. This is the basis for almost all 3D.
5. Watch these guys fly: McDDD
, ProBro Andy
You can learn a lot from their style. Also look at WHAT they are flying.