Quality over money, if Real Madrid wants to go after a player for the potential the player possesses, they should not put money first, otherwise they will lose the player and miss out on filling the void the player will cover that season. Whether it's Haaland or Mbappe, I believe any of them can fit in, but they should prioritize the player who truly wants to build a more prosperous career with Real Madrid over the one who needs convincing to join the team.
i am not too sure real madrid will focus on a spectacular signing in next season i mean they will probably forget about haaland or mbappe and most likely their diversion will be on Osimhen as their target in next summer window.
even for bellingham it is likely that real madrid can get him to sign for next season. bellingham has long been associated with real madrid it seems this will be their main focus going forward. real madrid needs a bigger transition for next season starting from the front line or midfield.