There is a bit more to being wealthy just your ability to earn money. You don't have to trade currency to apply it. Strategy accounts for significant savings on the labor asking price!
When i hear entrepreneurs discuss the difficulties of small business, I hear a lot of different very good reasons. The economy is bad. People want too much for free. I didn't have enough money. I had too much competition. Most of these may be true. However, not creating and sticking to a scheme for making your business happen is the primary reason