Running your own business, or you’d like to, one day? Take a look at leadership: holding it all together and making sure it goes in the right direction, operations: actually doing whatever it is you do, finance/legal: keeping it safe and healthy, and sales/marketing: generally making friends for the business. Robbie Steinhouse suggests getting good at them all. “By all means have an accountant do your tax return rather than becoming an expert on the Byzantine intricacies of the tax system, but don’t treat this person as an excuse for not mastering the financial basics of your business.”