WWE WrestleMania XIX

Easy Money:
Finish all of the tutorial mode to earn some money

Infinite Money:
Start a Revenge game and save it. Then in the Revenge menu choose the option "Select Mission" and choose a different character. After you beat a level in one of the missions, you will earn the cash but the mission won't count. Keep doing this to earn all of the money you want.

Unlock Construction Site:
Complete the Construction Site location in Revenge Mode

Unlock Harbor:
Complete the Harbor location in Revenge Mode

Unlock Parking Lot:
Complete the Parking Lot location in Revenge Mode

Unlock Shopping Mall:
Complete the Shopping Mall location in Revenge Mode

Unlock Warehouse:
Complete the first four locations of Revenge Mode

Unlock Bosses:
Complete a Revenge Mode mission that includes one of Vince's bodyguards to unlock them. There are 20 bodyguards in all to unlock.

Unlock Revenge Camera:
Complete Revenge Mode twice and you'll be able to move around the camera in exhibition matches

Unlock Secret Moves:
Get more moves in the Create-A-Superstar Mode by beating Revenge Mode.