Article was written by  Herb Kimble . Small business owners often make their biggest mistakes before they even open their doors. These tend to be costly mistakes and the reasons why between 90% and 95% of new businesses fail during the first year. Before starting out, many prospective owners don’t conduct a written feasibility study to determine the potential market and profitability for their business. Even the most original businesses, run by incredibly talented people fail because the market potential is too low, operating costs are too high, or for some other unforeseen reason. That’s why successful large businesses never start a new venture or launch a new product before doing an…