If you live in the city, any city, you probably have rat burrows in your vicinity.
I know, yuck, but believe me, they’re there, whether you’ve noticed them or not. That’s what those 2″ and larger holes in your parkway or yard (or neighbor’s yard) are.
Here’s the trick- mix portland cement powder and wheat flour, 50/50. Pour the powder in the hole. Close the hole with soil- just kick the soil that has been displaced by the rats digging out, back into the hole.
Keep doing that, daily if possible- and it will solve the problem.
An exterminator will drop a couple of poison blocks down the hole and come back in a month- don’t bother- that will not work. Portland and flour- that will work.
