Time is money. This is doubly true if you're running a small business. It's triply true if you're a sole proprietor--if the buck stops completely with you, no question, no debate, no excuses.

When the stakes are this high, you have to focus on what matters most. But not only that--you have to focus on what matters most, when it matters most.

Here are three of the chief subjects that sole proprietors (those hardy souls) would do well to keep constantly in mind.

Read more at Inc.