sync being dumb isn't uncommon, but it isn't a big deal. really. mine acted up for a bit, then it was fine.
if the Bluetooth issues are enough to steer you from the truck, it'll **** you off a lot when you get it. the only issues I had with mine were with giving voice commands, but it hasn't done it in a year or so.
id check for bondo on the door or other signs of a panel being repaired.
is the paint perfectly matched? if so, I wouldn't worry about it.
2011 F-150 FX4 5.0 Hater XL