I don't know how banks are about doing that sort of thing nowadays, but in other times it's been common to have an initial mortgage at a certain rate, and get a 2nd mortgage that is completely separate, but is a long term loan as well.

It's hard to separate the dangerous ones from the not dangerous. 

Is it a good practice to place each investment property under a separate llc?

It's a separate service to pay for.

You also want to make sure each property is help in a separate LLC.

I have a P.O. box set up and listed on the lease as well as a Google voice number and a separate email.

We were going to try to find a house with a single occupancy separate entrance accessory apartment.

Is that a totally separate amount you need to pay to your lender?

If I am understanding you correctly, at least several k-1s have multiple trades or businesses for QBI reporting.Yes, technically you should report each of these columns of these separately.

@Corey Stubbs Ex-USAF(separated 2010), I've partnered and invested with other W-2 investors and military members since 2018 in multifamily real estate.