If Ainge is trading to get better (Asik), why don't or didn't the Celts make a run at a legit frontcourt player like Millsap in the off season?
You lose Garnett Pierce Terry and RAllen. Where did all the money go?

?
You realize that in trades, you need to match salaries, correct?
You can figure out "where all the money went" using an Internet-enabled PC and about as much as it took you to type this post.