It also has separate utilities but shares the septic system.

I am in the process of buying an SFR in what I would consider to be one of the best 2 or 3 areas in town - it’s an incorporated city with its own Blue Ribbon school system and this particular area has primo shopping and dining and is walkable to the schools.

All meters are pulled and the city has told me that the building has to be brought completely up to code and have a fire suppression system installed.

I use my own skip tracing system to get phone numbers then cold call and send text messages to get results.

Any thoughts on an accounting system to keep it all straight with the county/state accommodation taxes etc?

I would recommend a company that has a system in place for scheduling. 

As rates increase, the savings of considering a 15 versus 30 year loan increases.

Ive heard conflicting opinions about residential 4-plexes versus commercial 5-plexes (loans, forced appreciation, etc).

What are the pros and cons of such deal versus a comparably sized and located investment in a classic multi family (...where you own the building and land directly).Any resources you guys have that I can educate myself on?

You make up for it in steadier appreciation versus most markets.