Regarding the money spent so far, we know PSG for the money they usually spend on their palyer and they usually buy superstar players in each season but this time they made a good amount of money selling the players they had.
PSG spent 300m in this summer for players but they also earned 100m. On the other hand selling players like Messi, Verratti, and Neymar was a good step for them to earn more money.

Paris Saint-Germain president, Nasser Al-Khelaifi handling the club in his possible best way he should. PSG striving hard to compete with full strength in UEFA Champions League and also the same time making Kylian Mbappe extend his contract with the Parisians which have been an impossible tasks for them. PSG is an elite club that's capable of signing big names this season but they learnt their mistakes after these past decades. This present time, they go for competitive players and absolutely no big name, releasing the ones they had this summer and generating quite a fortune to use in utilizing the club levels.