I said this before in a couple different threads after he got hired. I believe, this is where Key wants to be long term and he will do whatever it takes to make this program successful. His contract has a lower base salary than TFG but has more incentive based pay. He did this so that he could have more money to pay for better assistant coaches because he knew that would help the program. He is also betting on himself because if he doesn't make Tech a better program, he doesn't get paid nearly as much. This man bleeds white and gold!
As others have mentioned, I think that if he has improved this program to the point the major factories look to hire him at HC, the Tech donors (and administration) will get enough together to make sure money is not a factor. It also likely won't need to be nearly as much as the factories are willing to pay.
I do worry about our assistant coaches moving on but currently I think it would be more due to position promotions (i.e. coordinator to HC or position coach to coordinator) and less due to a lateral move to a bigger program. However, if our coaches are moving on to better jobs, it just means our program is successful and that's a good thing. Plus Key has shown he knows how to pick good quality coaches.