I assume you are mostly looking for leaks and water damage?

Since you aren't looking at the BRRR method, I am assuming you want something that is turnkey.

To avoid going through the same poor experience, keep reading.Even if someone gives you a referral here, do NOT make the mistake of assuming that the PMC will meet your expectations, just because they met the expectations of the referral source.In our experience, the #1 mistake owners make when selecting a Property Management Company (PMC) is ASSUMING instead of CONFIRMING.It's often a case of not doing enough research, as they don't know what they don't know!

Let's assume that rent by the room yields $1000 per room all bills paid for the tenants.  

Owners mistakenly ASSUME all PMCs offer the exact SAME SERVICES and PERFORM those services EXACTLY THE SAME WAY, so price is the only differentiator – and they often select the first PMC they call!

I would have advised you against an LLC, most likely, contingent on your attorney's legal protection concerns.This is assuming that by "we" you meant your spouse.

i was assuming 5% of rent!"

I’m assuming that you save quite a bit of money.”

Assuming you currently rent right now, and you are buying the single SFR as a primary, the 3-unit should just be designated as investment and you should be able to use the rents to offset the payment (up to basically 'zero-ing' it out, on paper). 

Assuming that you pay exactly the same rate on the mortgage as you do the HELOC, this is the result.