Definitely not. There are far more important things.

Business broker here.

A “strong customer base” is rarely a primary selling point for a business.

By far, the main priority for a business buyer is the profit the business produces, which isn’t necessarily dependent upon a strong customer base.

How do you define “strong?” What kind of business? If its a SaaS, then engagement (e.g., how sticky users are with your product) matters more than revenue in some cases. Post PMF, revenue matters a lot, churn matters, net retention, MoM and YoY revenue growth, TTTM revenue, and TTM EBITDA. Again, though, depends on the type of business and how you define “strong.”

Good luck trying to find a comprehensive answer to that question.

Absolutely not. There are way more things to consider than that and that’s just one of them. He’s an interesting article where you can learn more about what you should focus on? https://www.cuppa.so/post/how-to-find-your-business-niche-what-should-you-focus-on