Model account size adjustement

What do I need make my Model Account size so that I don’t have to worry about my Model account being the wrong size and then I can get any new subcribers? It seems the more successful the strategy the more probablity that the Model account size will need adjusted or you can’t get new subscribers. Am I understanding this correctly?

Yes once it passes 125000 . After that you need to rescale down by going to manage then choose rescale.