And Zillow wont cleanup any address issues for a non-Agent.

Down payment would still be $60,000.Of course if buyer defaults on the loan I would still foreclose, and I would require home insurance/property tax in escrow like the banks do.Do you think this would work?

The delays are usually in non-compliance as the importance of compliance to building codes for new (and better) insurance in FL is very, very important.

The way I’m underwriting my own deals for expansion is that I need to be able to cover the new payment with 7-10 days of current rental numbers.

It requires more effort but can significantly accelerate your portfolio growth.Down Payment Assistance Programs: If upfront cash is a concern, look into down payment assistance programs.

So just recognize this could be lengthy process if they default.If it was me, I would take it as a non-refundable deposit with a letter of intent and a purchase and sale agreement that the money is a down payment, is not refundable and they must execute the closing by a specific date otherwise they forfeit the money.

Also, using a low down payment option can be a good tool to utilize leverage. 

So homes with ADUs sell for more, and the appraisals have followed pricing for four+ years now.I personally know an investment group that targets neighborhoods, mostly in the San Fernando Valley, where comps with ADUs are outperforming non-ADU comps so that they can refinance out the value created by their ADUs.

And NON owner occ only No license is required.. this is why many HML you see have no NMLS # on thier website if they are in a state that requires it and they are current and lending then yes it must be on the first page of their website just google any California lender and you will see it.

If not, are there non-construction options that would be a better return on investment?