They still rent, but your maintenance costs will be higher.  

What is your average cost per mow in Indiana?

Never flipped before.If you take out a HD loan and say your construction estimate comes in at $100k.Eventually the actual estimated construction costs only cost you $90k.When you take a draw does the bank give you money based on receipts/invoices?

If what they put down meets your qualifications, send them a link to run credit and/or background check at their cost.

Costs for tree services have really spiked.

Essentially Airbnb and VRBO will contact the guests, explain what is happening and provide the link to the new listing and they MAY rebook. 

Do you know how to determine the reno cost?

I'd urge anyone who's going to buy a multi-hundred-thousand-dollar asset to throw down $100 (or whatever it costs) to get the full data.If I didn't already have a full AirDNA subscription, I'd be advising my Colorado STR clients to do so. 

I can't imagine a seller would agree to cover the cost out of pocket if they are doing seller financing, unless they had money and were desparate.  

Here's a fundamental explanation to get your juices flowing:Assume a house costs $200,000 and rents for $1,500.