Vending machines have been around for many decades, and while most of us haven't even seen one lately, they will continue to be around in hotels, barber shops, gyms, building complexes and many other places. Even Warren Buffet made his first mini-fortune buying and setting up pinball machines in barber shops. During a Berkshire Hathaway shareholder meeting, Buffet said “I bought a machine for $25 in 1946 and built a small empire out of it.” If you're searching for a new busin