Basically, it's a spread trade.

Basically property management with some a la carte options. 

Hey Dustin,Your top platforms are going to be FB Marketplace, Zillow, Craiglist, Avail.co (gives you access to basic rental property management tools including listing syndication), room rental websites (roomies and spareroom), and even Nextdoor (free, private social networking app for neighborhoods that connects residents with each other).

Here is a recent post of mine that addresses your questions:Cost Segregation - The Basics (biggerpockets.com)You don’t need to complete it before the end of the year to use it for your 2024 taxes.

It's basically the loan amount compared to how much the property is worth.

Classifieds posts are basically unlimited for all users. 

Besides some basic book keeping, or structure organization ., what advice from your CPA added value?

PLUMBING — SUPPLY LINESRemove all accessible galvanized supply lines in basementInstall PEX trunk and branch system to each unitNew main shutoff and individual unit shutoffs (label by unit)Proper supports, labeling, and pressure testNo in-wall work unless absolutely necessaryPLUMBING — DRAINSReplace all horizontal cast-iron drain lines in basement with PVCReplace only visibly failed vertical sectionsAdd minimum one accessible cleanoutCheck all vent stacks in atticInsulate exposed vent stacks as neededTie into existing stack and sewer lateralELECTRICALRemove abandoned/exposed knob & tube in basement and attic onlySecure open junction boxes, cap unused wiresPanel tighten, label, safety checkReplace unsafe breakers if found (no panel replacement unless quoted separately)Install basic LED pull-chain or strip lighting in basement common areasWATER MANAGEMENTSeal visible foundation penetrations and cracks (interior)Improve grading where soil slopes toward foundationAdd/extend downspouts to discharge away from structureI suggest doing a renovation of the units individually to achieve the targeted monthly cash flow and appreciation. 

When hedge funds started lending on single family rentals, they took the name "DSCR" and changed what it meant for more basic rental properties.

For screening, run your own credit/background (SmartMove or RentSpree), verify employment or a corporate letter, and collect first month plus deposit up front since 30+ days is basically a tenant in Ohio.