1. Before you play gm mode edit the available roster and turn off all the superstars you want.
2.Choose your brand and pick the remaining crappy superstars.
3.When you begin turn on all the good superstars (The Hogans, the rock etc.)
4.Terminate the crappy superstars contracts and put the good superstars on 5 week contracts.
5.Keep using advertisng promos every week to get your money back then put your superstars contracts on for 3 months.
6.Just repeat (5) throughout your season and you should get Gm of the year.