I’m looking at investing in 12 efficiency units.

Ensuring that I'm making the most of BP is high in my priority list.

Within reason, extend that across all appliances... an old and loud energy inefficient air conditioner isn't really going to hurt you (beyond statistical noise), and a new energy efficient one that's quiet isn't really going to help you (beyond statistical noise).

Efficiency rating is an important consideration when choosing/comparing models.

Permitting will be huge in ensuring you are compliant with all building code requirements, especially if you ever plan to resell.

We would like to interview a couple companies to ensure that our interest are aligned on how the property will be managed.

Many accredited investors want to see your failures more than one super successful deal in order to see how you bounced back and what you have learned, as this ensures some more security for their capital investment.

Since you are owner occupying the property, the loan underwriter is likely going to want to see the leases to ensure you can occupy.

My husband and I are handy, thankfully, so tackling as many of the repairs as we can to help ensure cash flow. 

(You’re giving them $800/mo now and trying to reduce it to $650/mo)The PM will ensure proper notices are given and no housing violations occur.