"A 100% land value tax. If you bought land for 10k and sold it for 100k you owed the government 90k." I think this is fair - the land itself is a natural resou

"A 100% land value tax. If you bought land for 10k and sold it for 100k you owed the government 90k." I think this is fair - the land itself is a natural resource that the owner has (presumably) done nothing to improve - they are just hogging it so that nokne else can use it