This is a perfect opportunity to train trades. Keep something mega high value and reserve it for trades...when he has something you don't want him to have, trade for the high value item. He doesn't get said item until you get the thing he doesn't want.
LOL... I'm really fond of BACON! Nothing motivates a pup like delicious smelly, tasty treat. Hot dogs run a close second. Actually, once the pup gets the concept of being "rewarded", a piece of kibble works well...