Which type of soft skills is important for an indie hacker?

I wrote a blog about soft skills here.

https://engineerkunle.com/2023/02/23/5-soft-skills-to-try/

I would love to know which type of soft skills is key to an indie hacker's success.

When writing this blog I got to discover some soft skills that I have never thought about. For example, being adaptable. I can see in this crazy and challenging economic time being adaptable is very key to a business's success.

Which soft skills are key to an indie hacker's success?

Or which soft skills are important to you?