We did a few....twice at a mid-major close to home. There seemed to be some interest after the first one, so we went again. Saw the HC at a couple weekend tourneys son's junior summer, he said hello and asked how son was going, but that was it. Another was at a B1G.....total waste of time. There were at least a dozen "invited" kids there. The others could have been invisible. Funny thing with the mid-major. Ended up being son's "rival" in college and son had good games against them every time he faced them. If he'd have been offered by both, he'd likely have gone to the one where we attended the camps as he really like the staff 
Funny how things work out
