How much do early-stage brands really need to know about their financials?

There are lots of things entrepreneurs will stress about when starting a business, but having perfect accounting shouldn't be one of them.

"The reality is, it's really hard to know what you need until you actually get out there and put your product in market and get customers," says Chris Fenster, who's been a consulting CFO to many early-stage businesses and is founding partner of Propeller Industries, a financing and accounting services firm.

Here, he shares more on startup financing myths and whether making a strategic investment in social good is a smart move.