As far as questions to ask, the big ones should be covered in the financials of the updates you get.

We recommend you get management contracts from several PMCs and compare the services they cover and, more importantly, what they each DO NOT cover.

Find a property that will bring in enough rent to cover all the expenses.

If you are convinced this is the guru you want to follow, pick up a cheap resale on amazon or ebay...read and study it cover to cover. 

If you can cover your PITI in CA you found a good deal.

I also have multiple annuities that would cover 100% of the purchase price.

Register for guru courses that cover the topics of the BRRR method and subto financing2.

BiggerPockets has a new STR calculator that can help you pencil out data from these types of sites as well. https://www.biggerpockets.com/airbnb-calculatorLast thing, we have a weekly newsletter here called BiggerStays that covers all things STR-related! 

I have to file an addendum or contingency clause covering it. 

. $7 a month per unit, so I started looking for something that covers multiple units in one.