If you take the approach that you want to scrape every last nickel off the table, that'll work one or two times, but after awhile, your reputation will precede you.
What you don't want to do is to hang on to the aging superstar past his prime and take resources away you can otherwise use to build a better overall team.
I don't have the insight with the Longhorns that I do with the two teams that I own, but as a fan and reading the sports pages, I'm bullish about the Longhorns.