Easy Levels and Money
To easily gain levels and money in the first scene when your getting a tour with the scrap robot, follow the robot to the campsite with the car up on the lift next to the burning tires. Collect all the loot and kill all of the enemies. After killing all enemies, pause the game and exit. The game will automatically save your character with all the loot you collected, and you will start at the beginning again. Repeat as desired.