Make an insurance claim and buy all new stuff.

It can rent for $3600/m Using 615k ARV and 75% LTV with taxes and insurance my payment is: $4267. 

In my home market of Florida, our insurance rates have made it much harder to have positive cash flow on a CRE deal.

Also, keep in mind if it causes an undue burden on you or is too costly you can deny them. for example, if your insurance company says that dog breed is on the ban list then you need to find out how much it will cost to insure them. if the rates go up because of the dog then you can deny them based on the undue burden. 

Who covers the tax bill when they don't pay the tax bill or the insurance? 

You'll want the rents to at least cover the monthly principal, interest, taxes and insurance (and HOA if there is one).

Please be careful that they might still be the dog and depending on the breed, your insurance may be in jeopardy.

When loans were called, was it due to specific triggers like delinquencies, insurance lapses, or low-interest rate portfolio loans held by smaller banks?

Their lease is 6 month term with a same rate month to month however, their insurance states the rebuild of their home and fire investigation efforts are going to take 12-18 months. 

Insurance liability, I personally know 2 families that lost their children in home pools.