You’ve made it. The contract is signed. The jersey has your name on it. The checks are hitting the account. Your business manager handles the bills, your taxes are being filed, and you’re told everything is "under control." But there’s a nagging question in the back of your mind when the stadium lights go down. Is this money going to last? Most business managers are great at managing the now. They track your spending, manage your overhead, and make sure you don't overextend.