Yes -- you can't commit your self to more than you can afford in any season, even one four years away.
That should be the tension of this league. Each year you're going to have to decide ho to let go and who to resign, and I'm expecting some tough decisions. In October you don't just want to fit in under 1,000, but you may want to leave lots of cash for the auction, and when you have to make those signing decisions, you won't have any idea who will be free agents because that will depend on everyone else's signing decisions.