It sounds like the bad debt could be paid off with a refinance and depending on how expensive that debt is - it may be worth it just for that reason.

Yes that makes sense, for some reason I though the seller had to pay the commission. 

This is obviously a gross injustice, but what can a landlord do to protect themselves from a big potential problem if for some reason a tenant uses a ridiculous amount of water and then does not pay the water bill?

Any company that won't show me pricing is automatically very low on my list.

What’s the worst-case scenario for rental prices during winter?

Purchase price: $1,100,00015% down payment, 7% interest rateDuplex: Two 3bed/1bath + den with unpermitted bath/kitchenette in two car garage. 

We offered a little less than half of the deal that fell through and about 25% of the original asking price.

Bought it because the location, price, and other qualities made it stand out as a great property to have a long-term rental when I leave the area.That day is coming soon.

Purchase price: $185,000 Cash invested: $45,000 Purchased as a primary SFH with low interest rate.

@Flavia Vangelotti I would get a place for mom in FL for several reasons.