I built a couple trainers and flew/crashed the heck out of them. They are a blast to build and fly. One is still in pieces down stairs, just haven't had time to put it back together.
Just don't let them draw you to the dark side and get into helicopters. Winter time is the worst time and it is when they get you. It is windy, cold too snowy to fly. So you pick up a small heli to fly inside .Its easy to say it won't happen, but one day you'll wake up and your kitchen table will be missing under the pile of helicopters, batteries, transmitters, chargers and upgrades.
I have a brand new Airfield 182 trainer downstairs I haven't even built because I am building a 450 heli and just got an MCPX. But it is a blast of a sport for sure.
Have fun
Woody