In your opinion, what's the most important quality of a successful startup?

Velocity of learning – how quickly you're learning from your experiments and building on them.

Focus. There are many startups that lose focus on the core product and market within the first few months to year, leading to failure. Saying no to quick viral attention and maintaining a clear vision and strategy helps them steer a consistent ship.

Product market fit

Advertising and the product itself.

The ability to stay focused

Product Quality - Visibility and a solid revenue strategy.

Diligence

Figuring out real problems and actually solving them. Making a good connection with your target audience and gathering constructive feedback.

the quality of be successful I think is be a good leader show example to people who you are