I had a WIDE range of quotes for my building, but I ultimately winded up using Hemlane for the quote as they had the best price and coverage. 

Get a couple of quotes because they can be pretty wide apart. 

Reality is the rent to price ratio is still so wide, no one can afford to buy.

Costs can vary widely, but you might expect to pay anywhere from $10,000 to $25,000 for a comprehensive PPM (Private Placement Memorandum), Operating Agreement, and Subscription Agreement.

Cons: Property taxes can vary widely depending on the county.

It was based on statistics from many landlords over a wide variety of portfolios. 

You made the choice to buy a $35k property... that's incredibly cheap in today's market.

Incredible value delivered over many years here at BiggerPockets, and that's JUST on these forums, not counting 500+ BP Money podcasts, more YouTube videos, comments across the Facebook groups, and a partridge in a pear tree. 

The viability of an AirBnb strategy would also fluctuate widely based on where it was, ie at 116th and Kinsman vs on Dorchester in Shaker hts...

This group does allow syndicators to present deals, so your father would get deal flow, but he would also benefit from a wide group of other passive investors discussing the deal and sharing their thoughts.