What I know is that Flick was only given the task of replacing Xavi as a coach who will develop strategies to make Barcelona's game even better. He might even wait for the budget that Barcelona will allocate to buy players, or he will propose a budget for himself to bring in players who he feels are really needed to help this team. On the other hand, he also has to take advantage of the composition of players he currently has, because he may find it difficult to bring in players at high prices due to the financial limitations that Barcelona is still facing. However, he was unlucky because one of his players was injured while playing for his country, Pedri, who plays for Spain.
Barcelona might give Flick a little freedom, but this is limited because the money Barcelona currently has will be used for operational needs and it would be advisable for the new coach to prioritize free players.
Regarding all this, it is clear that the budget problem is still being managed by Barcelona management and Flick is trying to bring in players at low prices or perhaps loan players. Barcelona currently has a perfect lineup and inherited a legacy from Xavi that shouldn't make many changes.
In this case, Hansi Flick really has to be clever at finding players at low prices but with very good quality. Because I'm not sure Barcelona will spend a lot of money shopping for players. Another option is to look for players on free transfers like they did before, so they don't have to pay the team that owns the player.
Barcelona's squad does look good, but when compared to their rivals in La Liga, I think they are still behind Real Madrid. And to create tight competition, Hansi Flick has to rack his brains so that what he hopes can be done and executed well.