That does sound like a correct solution. It gives investors an incentive to make sure the houses are not vacant, which drives the rent down. Others should not b

That does sound like a correct solution. It gives investors an incentive to make sure the houses are not vacant, which drives the rent down. Others should not be affected much by it, so that's a great solution. Edit: assuming the situation is where there are vacant homes and people willing (but not able to afford) to live in them.