So there you have it, net net long term, in a straight line, ignoring the bad and good years, about 9.5% per year. Zero property tax or maintenance costs. Just a lot of crashes on the way up.
https://www.investor.gov/financial-tools-calculators/calculators/compound-interest-calculator
SILVER $5 in 2000, with 22 years at 6% comes out to $18.02 ignoring the nonsense.