Pic rel is one such place. Albinen, Switzerland will give you $25,000 if you’re single and under the age of 45, willingly to become a citizen and live there for 10 years. You have to purchase a house that’s minimum $250,000.
A family of 4 will be granted $60,000 with each extra kid being $11,000 per.

Source:
https://youtube.com/shorts/WjwFckHYe8c
https://albinen.ch/wp-content/uploads/2023/04/2023_01_01-Reglement-Wohnbau-und-Familienf%C3%B6rderung.pdf

Other such places exist around the world:
https://youtu.be/oQJBPMzPkq4