For an entrepreneur, watching your business come together and grow is one of the best accomplishments. People are buying your product and your profits are up, so now you're thinking, maybe it's time to expand the company.

However, that's not an easy endeavor by any means. With every successful company, there's a backstory that divulges the pain, sacrifices, struggle, and hard work that it took to accumulate more employees and expand to multiple locations.

Here are eight common business growing pains that most start-ups experience and how they can overcome.