Paying for a better PR-manager is a waste of money.
Set your prices right, win games, and people will come.
Against big teams, I can sell out. Against weak competition, 80% or more capacity. Level 1 PR.
Have a string of road games? Switch your level 1 PR (3-4k WITH specialty) with national appeal.
Have a bunch of home games coming up? Go to level 1 PR with crowd involvement.
Especially do this in playoff series if you absolutely want to promote and the games are close.
Time these switches with the economic update. Sell before the update, pay the severance, and pay your players and staff. Then after the update, buy the new PR and pay a small signing bonus to get him.
Saving money is key and spending on staff when you don't need to won't help you address other more important issues like buying good players off the TL, spending enough on the draft to get someone decent, and expanding your arena.