Sweating the small stuff is the big secret for success in business; I learned it the hard way -- buying a gourmet supermarket in Dar es Salaam, Tanzania -- then wrote a book about it. The upshot of the story is that we took over the "Whole Foods" of East Africa, increased sales by 50% and doubled cash flow. How, you ask -- by, well, sweating all the small stuff, of course. Check out some high-level takeaways and a few chapters from the book!