If you turn your back to a man while covering him
and draw contact, might as well just ask for a foul to be called on you.
That is something that refs will almost always call
and the players and coaches all know it.

There are a bunch of rules that are not exactly in the books.
Down low you can beat people up. Try the same sort of stuff
away from the basket, a foul every time.

Some guys travel almost everytime they catch the ball out high
while on the run. As long as it does not give them an advantage
never called. Try the same stuff in college... traveling.