Math problem: person A invests $5 per week in lottery tickets for 30 years. Person B invests $5 per week in VWO, an emerging markets index fund. Person C buys a $5 book each week and reads it. Person D goes to the bar every Friday night, buys one $5 drink, and talks to the other folks there. After 30 years, who comes out ahead?
zipTimer: an iPod/iPhone app for pacing piano practice, cooking, workouts, you name it.
Circle and Square 
The ones who come out ahead are the ones who are actually working. In your example, they are:
The bar tender for drink sales
The bookstore owner for book sales
The convenience store owner for lottery ticket sales
The brokerage for investment sales
He he he! Good solution.