We are never going to be able to compete in this arms race. We need to make sure that the next group of players are ready to replace the current first team when the time is right to sell them.
I don't think we'll be able to pay squad players huge money like the super-rich clubs. But if we have a player in our first XI who is the best in the division in his position, we need to be able to pay a wage that is more competitive if we want to keep them. Rose is right, if his wage is £60k per week then he is worth a lot more. If we are in a position where we can pay our best players £100-150k per week, then they might not be so keen to get away when we are doing well on the pitch. This is gonna apply to most players in our first XI right now.
If we're never going to be able to do even that, then the new stadium is pointless. But I think/hope that's the plan in future.