I’m rubbing the magic lamp that is the collective BP genius in the hopes of finding a way to “guarantee” a high enough ARV appraisal to pull my cash out in a 75% LTV BRRRR refi...

I still recommend bumping that up some in your analysis (unless that 10% includes everything of course) because usually the base rate doesn’t include any additional services such as finding tenants (usually a months rent or half a months rent additional for that), renewing leases, managing maintenance/ repairs/ turnovers, performing inspections, evictions etc. so the PM fees actually land closer to 15-18% in my experience (our PM charges 8% base for collecting rent, dealing with tenant complaints and handling small emergeny maintenance calls, anything else is priced a la carte and I usually handle any issues over $250 myself which is the only way we make any positive cash flow).

As a newbie investor in the education phase of developing my rental business, I am looking to collect a wealth of resources to have on hand for market analysis. 

My wife is a licensed agent and I passed the licensing exam though I never went with a broker.If I went all the way managing, including renting it out, signing leases, collecting rent checks, upkeep, repair and maintenance, paying the bills, taxes, insurance, I would do it via a master lease, preferably a NNN lease, and for all intents and purposes, you can act as a landlord, make money on the rents, and not have issues with licensing as you have an interest in the property.

For instance, I pay my property manager 10% of rent collected per month. 

I have planned on registering for a business to collect rent for the future, is there a way to fund the construction through a business loan, or is that even a thing?

I have mag locks on the doors and I do the cash collection myself.

And while the GP may or may not have had some skin in the game, I'm sure they collected a handsome fee for 5 years that will soften the blow.

Rent for 1st property collects slowly and that is not including tenant issues etc.

I'd rather collect the payments and interest (backed by real estate) than manage tenants (or manage the property managers).