Being an independent entrepreneurial type can be thankless and often not even profitable. You continually bang your head against the wall looking for the next big thing and in the real world those things are not always so forthcoming.
To these people I recommend a valid source of income in between other projects. Putting in snack vending machines at a few different high traffic locations can actually keep you afloat for a while during periods of limited activity regarding your other businesses. Finding a site like Useclectit who has vending machines for sale can really turn around your finances without forcing you into a regular nine to five position.
Everyone everywhere needs, or at the very least wants, snacks and drinks throughout the day. On top of that undeniable fact, any businessman can tell you that the lack of overhead inherent in a vending machine supply chain is an economic no-brainer.
Within weeks of putting up snack vending machines you should be in the black and in a position to expand to more vending machines. It may not be the large scale next big thing you were hoping to hatch but it is a reliable source of income and a chance to get out of the regular work force.