You do not need a separate LLC for each property or a series LLC!

You do not need separate checking accounts for each property if the ownership is the same.

It’s usually best to open a separate business checking account so your rental income and expenses stay organized and away from personal funds.

Best option would be to separately meter the property 2.

- Highly unlikely you'll be able to get separate water meters installed and submeter system probably too expensive for this few of units. - So, that leaves electric & gas.

Long story short, land is on loan and I’m purchasing a manufactured lot as a temporary home/future ADU to my final build. The rate the manufacturer offers is 4.8% which is why I am going through them. The bank they ar...

Also, I was thinking about it and I think if you were going to make shared amenities (like fire pit) you probably would be very successful doing that strategy I mentioned for larger listings.For big dates I would have one listing that is both the primary and ADU that sleeps 12+, or whatever the number is, and then you can have the ADU and primary again as separate listings for the rest of time. 

From tax stand point I would think you can separate from primary and be okay with IRS being that IRS will not be local code enforcement.  

House hacks are fairly straightforward regardless if the units are separately metered.

@Jon Ankenbauer you won't be able to keep the land separate from any future construction loan.