In many, if not most, countries, if you don't pay your property taxes, if you don't do "adequate upkeep" of the property, or if the government decides it's need

In many, if not most, countries, if you don't pay your property taxes, if you don't do "adequate upkeep" of the property, or if the government decides it's needed for something more important, it can be forcibly bought off and you'd be lucky if they pay you current market value and not the price you paid when you bought it. Or, in less developed places, they just confiscate it.