There was a song in the 1980s that shot up the charts about a hard-working blue-collar woman hustling for a paycheck. That popular Donna Summer tune about a restroom attendant was titled, “She Works Hard for the Money.” What Summer didn’t call it was, “She Works Hard Out of the Goodness of Her Heart.” If you’re a small business owner, you can undoubtedly relate to this hit song’s subject. You work hard at your craft, and you deserve payment for it. This is where things can get tricky if you don't have a solid handle on the invoice process.With so many moving parts, invoicing can be a particularly troubling function—but it doesn’t have to be. We’ve got the invoicing tips you’re looking for on what to do, what to avoid and the one thing that can make it all easier than ever before.