I'm currently adding all of my numbers for a 20-unit apartment building in for a test, and then I'll bring my other 90+ units.

From a lady that gave up a pantry and then requested her husband to steal from the garage space to build a pantry :). 3.

Also, without even looking at the plans a 7 unit building will likely have flawed floor plans and/ or an inefficient layout unless its an irregular site.

They buy an apartment, remodel it to hipster sensibilities and list it for 4k-5k a month.

Here‘s both, from the BBB: https://www.bbb.org/us/id/coeur-d-alene/profile/wealth-building-seminars/lee-arnold-system-of-real-estate-investing-1296-1000121183/complaints

This portal provides owners with full visibility into all reservations, allowing you to see detailed booking information, including rates and sources like Airbnb or Vrbo.Transparency is crucial for building a successful business, and platforms like Guesty enable real-time access to booking data, ensuring owners are always up-to-date with rates and reservation details.

I believe starting with something smaller will help me build the knowledge I need before considering larger deals down the road.

Quote from @Franklin Marquette: When building ADUs, do they generally create value uplift for the property in the same way that the main house is valued?

He's an agent with RE/MAX, one of the largest franchises with a great training program and a lot of tools for their agents to use and build a successful business.

Especially on small multi family buildings since most of them are in more urban areas.