1. Harrisburg, PA
2.Reading, PA
3. Lancaster, PA
4. Scranton, PA
5. Allentown, PA
6. NYC, NY
7. York PA
8. Daytona Beach, FL
9. Youngstown, OH
10. Pittsburg, PA
11. Ann Arbor, MI
12. Tampa, FL
13. Philadelphia, PA
14. Fort Wayne, IN
15. Manchester, NH
..............
https://realestate.usnews.com/places/rankings/best-places-to-retire
好像最重要的參數: housing affordability, healkth care