This. 100%. He's not an old guy. He'll get another shot but sucking in Tampa isn't going to do him any favors. He'll basically head coach the defense.
Arians is a well-respected guy. He'll understand.
Buying a second rounder is your plan? Are you serious? NBA draft picks in the second round are not worth much. They're just not.
First rounders matter and no one trades those for cash.