I've had my eye on the Erle-copter (https://erlerobotics.com/blog/erle-copter/ https://erlerobotics.com/blog/erle-copter/) for a while, but have held off due to

I've had my eye on the Erle-copter (https://erlerobotics.com/blog/erle-copter/ https://erlerobotics.com/blog/erle-copter/) for a while, but have held off due to price and the fact that I'll likely crash/lose the thing playing around with autopilot. I'd be interested to see if anyone knows any very affordable options