What market are you in?

@Dave Rav - I agree with the others that there is no really good way to estimate insurance costs, but I've found some consistency within a particular market/zip code if the rebuild costs and deductibles are the same.

I have searched online and found no company or market for this type of transaction.

That is a very general question and each area has its own market conditions so what works well in one area may not in another.

Sat on market for 4 months before they dropped to $125k.

Historically real estate and markets are nearly identical over a long period of time. 

Do you have an out if the market downturns and you can't refi as expected or for as much? 

So as a listing agent/broker I will need to be more optimized for this marketing and processing of inquiries. 

Analyze Texas and Oklahoma markets for rental demand and ROI.

Tenant protection issues - We’re in CA and introduction of limits on rent increases so want to be sure that we have the lease structured so the tenant reverts to a market rate rent at the end of the 3 year period or moves out if unwilling to pay that rate.I’m struggling with the 3 year lease being long, I don’t think I could enter an indefinite (til death) lease.Another thought what if one spouse dies and the survivor remarries a younger person?