Pro 4 is expensive relative to?
Pro 4 is cheap compared to surikarn and 415...
It all depends which way you look at it.
I don't think you'd like it if we start bashing the R2 for something silly...
This problem can happen to anyone... it's known as manfacture defect... no one is perfect but HPI is trying hard with it's new line of kits so we shouldn't put them down...