Once you identify a good PM, talk to them about transferring each rental as they become available.

As mentioned, we "openly and notoriously" record the deed for the world to see so there is no hiding things from the bank (which could be construed as fraud not to mention poses many other risks for creditor liens, etc.) 

DOS is for when the title transfers to a new owner (who has not been vetted by the bank, and without the bank's permission).

Would I go to the current owners bank to see if they would allow a subject to loan? 

I transferred the money via EFT (the transfer instructions had no reference to Lendbase - red flag), and asked for a receipt, but was told that their customers rarely ask for a receipt. 

I am wondering if transferring the cash periodically to a standard brokerage IRA account may be my best option.

Just about any bank can open a joint account. 

If you can access the wall cavity, adding rock wool (mineral wool) insulation will make a big impact by reducing vibrations and sound transfer. 

A minority of 401k providers will let you transfer the loan to a new provider, but I have yet to experience that option with any 401k I have had. 

I unfortunately basically had to switch to desktop to use the software. 4) Tenants have to pay a $1 transfer fee to pay through RentRedi.