Even the most successful people tend to look back with some regrets .

When it comes to starting a business , entrepreneurs face countless tasks and decisions: from coming up with an idea to conducting market research, creating a business plan and pitch, gathering user feedback, maintaining positive cash flow and so much more.

Sometimes the best approach is only clear later on — when hindsight is 20/20.

Some entrepreneurs wish they'd started their business earlier instead of waiting for "perfect" and delaying success. Others could have benefited from more mentorship to avoid common pitfalls and costly mistakes. Founders who opted for fundraising over bootstrapping might feel boxed in by their investors.

The list goes on.

Over nearly five years, I've interviewed more than 100

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