Venture capitalists buy minority positions in young companies they think will grow quickly; buy-out investors buy most or all of companies they think can be turned around by fixing a few basic things.
Many venture capitalists say they're looking for the next big idea. But they aren't, really; they're looking for something derivative, because derivative is safe.
If I had to give one piece of advice to a budding entrepreneur, I would say: 'Aim big.'
Stop pretending there's anything wrong with businesspeople hiring diligent laborers who will work for less. Let employers sponsor any worker and argue for why that worker should be given citizenship. Such a vetting mechanism would naturally promote the best and hardest-working.