Besides resources like Indie Hackers, I highly recommend everyone here read Small Giants (https://www.amazon.com/Small-Giants-Companies-Instead-10th-A...) which focuses on companies that have outsized impact feeling the pressure to grow.

They profile companies that have 2 to 2,000 (or so?) people, but most focus on having an opinionated take (over growth for its own sake).

The book: Small Giants.

This entire book is literally about companies that focus on deliberately growing but still staying excellent. Many were profitable and didn't raise a lot of outside funding. Many also were strongly owned by employees.

https://www.amazon.com/Small-Giants-Companies-Instead-10th-A...

> Why do sales always need to grow, why sustaining is not enough?

I wonder this often myself too. It's unorthodox, but I wish more companies focused on staying sustainable rather than trying to grow continuously (or making growth the only goal of the company). A good book on the topic: https://www.amazon.com/Small-Giants-Companies-Instead-10th-A...