I am honestly not sure if he would be a good fit for Barca. He is a generational talent, probably a future ballon d'Or winner but he needs space. He would thrive in a counter attacking team.
This is what Haaland's father and Mino Raiola ask for the signing of Erling Haaland:
Raiola - ?20m
Father of Haaland - ?20m
Salary - ?30m net per season.
+ The continuity of Lionel Messi. [rac1]
30m net? Raiola and Haaland can screw themselves.
Haaland is good enough to ask for that kind of money. I don't see any issues with it.