Purchase a few free agents during the transfer period. Note: You can search for free agents by using the "Search" button in the Transfer Market and changing its status to "free agents". During the next transfer period, sell them to get money. Note: Do this when you are in the final transfer period of the season and want stay in the same club (because you can sell them at the beginning of the next season. Buy players with lower ages and 70-75 overall for the best money. You will lose about 10,000 Euros in weekly wages but get it back when you sell them.