First of all, you must improve the capacity of your stadium to increase your incomes to afford you to buy players with higher salaries... But as far as you don't have any chances to be promoted, just try to save as much money as you can... Even if that means to be relegated at the end of the season... After that, try to choose the games you can win and let go the others to save game time and enthousiasm for the games that matters... Manager you game time and you enthousiame the best you can ...