I bought 6 young players and my plan is to train them this season and sell them after playoffs. I probably get 1,5-2M and I try to win playoff. Them I have about 2-2,5M to buy six 18 year old players and three of them will be trained 100k+ SF players and other three I sell after 1 vs 1 and rebound training.
And in the third division I could spare money in salaries (15 weeks left new player no salary limit) and meanwhile I could built my stadion for example.
So good luck to playoffs!