I was thinking of putting the keys in a lockbox and asking the person interested for a copy of their drivers license and Credit card to make sure no damage is done to the property and keys are returned.

Now the buyer is being held liable for damages and commissions.

More of a simple screening tool, and at least I have some kind of idea for who to go after if there are damages of fraud. 

I believe the water damage is the root cause of the mold problem, and I’m considering filing an insurance claim to cover the repairs and remediation.For those who have gone through this process, what steps should I take to ensure the claim is handled properly?

Keep at least all those rents added together plus another $20-$30k to cover unseen damage and damage that occurs during move out as well and any required cleaning.

We knew the house would be messy but were not prepared for the extent of the damage. 

An insurer owes no duty to investigate the condition of the title and makes no representation as to the condition of the title inissuing a title insurance policy.EXCEPTIONS FROM COVERAGEThis policy does not insure against loss or damage, and the Company will not pay costs, attorneys' fees, or expenses resulting from the terms and conditions of any lease or easement identified in Schedule A and the following matters:4.

Do the above first.I don't track Minneapolis, but did part of the city get damaged, burned and tenants left? 

Sorry about your water damage last it's definitely best to call a outside water damage company.

The only reason we have requested his presence while contractor is there doing the repair purely because we are worried that the tenant might accuse the contractor damaged his stuff, etc. later.