And if they are a hobbyist/part-time builder, then they should engage the proper professionals, i.e. a title officer, civil engineer, architect, contractor et al to assist in reviewing the project's feasibility.

Full application review is almost more important than lease review, as you are seeing.  

Did they require you blueprints and plans be reviewed and made to conform to their standards?

I used to ask the customer to provide me with a SOW.

Review Borrower profile. 

Every PM I've met has at least several bad reviews, but I'm hoping this helps. 

Hey @Robert Carmody, we are only on AirBNB and VRBO and they work just fine.I have been reluctant to do a Booking.com listing due to the negative reviews I have heard from other hosts.Booking.com was geared towards hotel stays, which means your STR gets treated like a hotel room.

As lenders, well issue a prequal/preapproval letter if we've analyzed your income, assets (bank and brokerage statements to establish that you have the liquidity to afford the down payment, closing costs, and reserves), review credit of the guarantors, review the relevant experience to ensure that we're not throwing our money away on newbies that are wandering around in the dark, and have put together a reasonable plan of attack for the project.

I would pay one of them to review the full details of the transaction and give you a road map of how to proceed before going any further.

They take weeks reviewing things and won't call you or tell you when they have reviewed things so you are constantly calling and then waiting for them to find your file.