We are all familiar with buying or originating a note and collecting  the interest until the notes pays off.  

This means that the principal balance of your loan is 78% of the original value of your home.

We don’t know any PMCs to recommend in the area mentioned, but since selecting the wrong PMC is usually more harmful than selecting a bad tenant, you might want to read our series about “How to Screen a PMC Better than a Tenant”:https://www.biggerpockets.com/member-blogs/3094/91877-how-to-screen-a-pmc-better-than-a-tenant-part-1-services-and-processesWe recommend you get management contracts from several PMCs and compare the services they cover and, more importantly, what they each DO NOT cover.

Partner financed the original purchase price, we refinanced using a DSCR loan with no money down from my end.

I am from this area originally. 

That said, lenders may allow these transfers without triggering the clause as long as the LLC is owned by the original borrower (you).For your question about which account to use for the down payment, it generally makes sense to pay from your personal account, especially if the mortgage is in your name.

Talk to the current owner to see how long the leases have been in place and the look up local laws to see what happens when the original lease ends (typically 1 year) and what happens if no end date is stated.

As far as closing costs go, see below:-Title fees-Title insurance-Hazard Insurance-Lender's closing fee, underwriting fee, or any other flat fee they charge-Origination fee-Attorney fee (if the property is in an attorney state)-Doc fee for closing docs-Prepaid interest through the end of the month you are closing-Recording and transfer fees on titleThat will cover most of your normal closing fees. 

The commission paid greatly outweighs having to go back on the market and potentially getting less than you listed it for the first time.Some individual markets are better for this than others, but if you have an agent with a great strategy on the list side (professional photos, staging advice, etc) and you pair that with listing the property at a low price; you increase your chances dramatically of getting a bidding war and not only offsetting the commission but potentially making more than originally planned. 

The original guest loses everything, minus whatever money I recover from a new guest, plus a $100 processing fee.