In the context of Australia, voting is mandatory if you're >=18yo.

We also have very unusual tax laws around owning a rental called negative gearing- if you're a landlord and your rental property earns less than it costs to run it, you can subtract the difference from your taxable income and pay less tax, as if having a tenant pay off most of your mortgage wasn't enough of a free lunch.

A political contest vowing to get rid of this nonsense was annihilated when we tried it one election cycle around a decade ago.