The profit principle is the only secret to good business you'll ever need to know. Success in business has little to do with investment capital, a business plan or office space. Success comes from applying the four-part profit principle. Discover how you can turn what you know into what you do, and launch a successful, sustainable venture without spending (or borrowing) a cent. It’s a process that's simpler than you think and already within reach. Most books on starting a business don't extend...
