They are busy writing and closing deals for income with commissions.People that are just researching typically have to pay for the research and put in the work themselves if they are dabbling in stuff or just want an idea of things.You might find someone to do it but I do not know of anyone to be pulling data just for the heck of it.

I'm sure all banks are slightly different, but what's typical? 

However, as these properties are all brick construction, the typical insurance quote provides astronomical replacement estimates (~$1M each). 

Your role is to protect your interest.Arrangements like this typically require 3 sophisticated or represented parties.It is possible that 1 attorney could set up a new LLC (or other org) with each current LLC becoming a 1/3 member.  

The taxes are typically based on some prior sale amount-generally off by 50%.

I'd typically just send them another year long lease, running from April 2018 to April 2019 to sign with all their names on it, but then that'd lock Person C into staying all year. 

Lakewood sits about 50’ above Lake Erie so there isn’t an issue there however the typical house in Lakewood were all built in the early 1900’s so a great many of them have basement issues and the sump pump is probably a good thing as long as it’s in good working condition.

With LT you have your typical maintenance of course and finding new tenants on occasion when a lease is up etc...

Otherwise, you'll need at least 20% down (typically 25-30% down but some local lenders will only require 20%), but to @Mark Bookhagen's point you'll want to call around to a few local banks / credit unions and see what they would want to see from you and what they would typically charge for origination fees etc. 

Typically the agent gets paid a few times when they work with us because of our bonus.