Diversification is a sound financial planning strategy, but does it work for company building? How does Vitamix get away with charging $800 for a blender when reputable companies like Cuisinart and Breville make blenders for less than half the price? It’s because Vitamix does just one thing, and they do it better than anyone else. WhatsApp was just a messaging platform before Facebook acquired them for 19 billion USD. Go Pro makes the best helmet mounted video cameras in the world. These companies stand out because they poured all of their limited resources into one big bet. The typical business school of thought is to diversify and cross sell your way to a ‘safe’ business with a balanced portfolio of products – so when one product category tanks, another line of your business will hopefully boom. But the problem with selling too many things – especially for a young company – is that you water down everything you do to the point of mediocrity. Here are six reasons to stop being a jack-of-all-trades and start specializing in doing one thing better than anyone else