Net earnings were about $400,000/year, so the business component of the sale was valued at about 3X, or $1.2M. 

Right now, I am renting but have a goal of purchasing a duplex, triplex, or quadplex in the coming months.

Without knowing all of your specifics, I'd say that it's only worth holding on to if you can reasonably expect to have some really good appreciation in the near future (like 5 yrs)....Or, in the case where it would run well as a vacation rental, you could switch the usage, maybe?

Some have no hobbies or family and enjoy the work, so interruptions don't matter to them.

Does anyone have any experience or guidance on doing one of these?  

With this type of YOY growth, you can re-invest you equity into upstate or OOS markets (i.e.

Maybe there's an angle for seller financing or some other creative approach to get the seller the total return they want over time, but it's hard to say without actual facts and data.

Recent discussions in Bloomberg and the Yale Law Journal shed light on the challenges posed by traditional zoning regulations and offer insights into potential reforms that could benefit co-living arrangements.Zoning Laws and the Definition of FamilyTraditional zoning laws often define "family" in narrow terms, typically limiting residential occupancy to individuals related by blood, marriage, or adoption.

Many of the legacy farmers are dying off or moving on as well leaving lots of land ready for development. 

What are indicators or measuring tools?