Most Founders have a "certain set of skills" that apply to one aspect of their startup, whether it's deep product knowledge or incredible domain expertise from their previous job.

Unfortunately, in a startup, we sorta need to be a jack of all trades because we're often the only person doing all the work!

Let's assume that you could only invest the bare minimum in the various aspects of your startup operations.

Here's the least you'd need to know.

What about finance? Do I need to know the numbers?

At the very least a Founder should understand how an income statement works.

That simply means "here's where we're making money, here's where we're spending it, and here's how much we're making (or losing)." If you didn't understand a balance s...