S2Games is a good example of an indie company with good cashflow. Their CEO, Marc DeForest, owns a AAA little league hockey team, a restaurant I think too, as well as a game company
That probably qualifies as the eccentric millionaire investor.
Anyways, you need
to get your product on retail shelves. Digital distribution is a big phenomenon, but it's still only a tiny piece of the pie compared to retailers. Read an article yesterday that suggested for every one digital copy sold, Walmart alone sells ten boxed copies.