We have not done anything on the land yet because its very far from all our primary residences and does not have basic things like a well paved road and a water source.

These are great for setting expectations and as management tools (especially, if you actually set those amounts aside), but they aren't ACTUAL cashflows (even if you do set them aside).

Sounds like you’re off to a solid start with house hacking and a few properties already.

I'd just put them all in one LLCEx 2: 20 units, 2 single-family, 2 fourplexes, and a 10-unit apartment.

The tax code is complex, and as a new real estate investor, you already have a lot to learn about real estate investing.

Buildium, Appfolio etc) and a Latchel integration? 

In those, we have an ownership LLC and a manager LLC. 

(optional)Kitchen Remodel (2020): Updated countertops, cabinets, and installed new stainless steel appliances.Bathroom Renovation (2019): Added new tiles, modern fixtures, and a glass shower enclosure in the master bathroom.Finished Basement (2018): Added 600 sq. ft. of finished space, including a family room and home office.New Roof (2021): Replaced the entire roof with new shingles and added improved insulation.Landscaping (2022): Redesigned front and backyard with new plants, sod, and an outdoor seating area.Energy-Efficient Windows (2020): Installed energy-saving windows throughout the home.

The “purchase agreement” is between a buyer and a seller....any commission mentioned is not really binding between the seller and the agent.

I'd start by talking to both a bank and a builder.