Is Lack of Capital the Biggest Problem for Entrepreneurs, or Is It Poor Planning?

[Alvana]

Many people believe the only thing stopping them from becoming successful business owners is a lack of money. But is that really the case?
Some people have enough money to start a business but fail because they don't understand their market, manage their finances poorly, or lack a solid business strategy.
On the other hand, some people have brilliant ideas and good business plans but struggle because they simply don't have the money to execute them.
So, let's settle this debate!
If you had to choose, which is a bigger obstacle to business success: lack of capital or poor planning? Can a good business plan succeed without enough money?
Let's hear your thoughts in the comments!