Stock markets returns calculators:
Nikkei:
https://dqydj.com/nikkei-return-calculator-dividend-reinvestment/
S&P:
https://dqydj.com/sp-500-return-calculator/
Dow:
https://dqydj.com/dow-jones-return-calculator/
The cost of life comparison:
https://www.numbeo.com/property-investment/comparison.jsp