The Intelligent Investor by Ben Graham ought to be required reading for every private investor. While the innovations he brought to stock analysis have long been outdated and the red flags he used to watch out for in a company's accounts are now regulated against by the SEC, many of his insights about thinking about investment still stand. For example, his description of Mr Market is still an excellent way of understanding how a crowd moves with the daily news.
Cost advantages -- A business can have a few different types of cost advantages. For example, an efficient distribution network can make it cheaper for a company to get its product around the country. A well-known brand name can give a company the ability to charge more than rivals. Or a proprietary manufacturing process can make it cheaper to produce a product. Coca-Cola (NYSE:KO) is a great example. Not only does the company have a massive and efficient distribution network, it has one of the most recognizable and valuable brand names in the world.
You’ll come across an overwhelming amount of information as you screen potential business partners. But it’s easier to home in on the right stuff when wearing a “business buyer” hat. You want to know how this company operates, its place in the overall industry, its competitors, its long-term prospects and whether it brings something new to the portfolio of businesses you already own.