" What entrepreneurs quickly learn is that they need to price their product at least 2.3 times its cost to allow for at least one 50 percent margin for them and another 50 percent margin for their retailers (1.5 × 1.5 = 2.25). That first 50 percent margin for the entrepreneur is really mostly covering the hidden costs of doing business at a scale that they hadn’t thought of when they first started, "

― Chris Anderson , Makers: The New Industrial Revolution