How to invest in real estate while earning minimum wage" by Tracy Royce
She describes some "out of the box" ways to get into the game with little or no money or income.
I would add construction to the list. Not only will you learn alot of skills from working, but you can also make excellent contacts in the trades. Talk to everyone (while working hard, don't be a slacker!) and see how things operate on a construction site. Seeing a building going up from top to bottom is an education in itself.
Why flip burgers when you can be involved in the industry that can make you rich?