Without knowing the balance on the first, I wouldn’t touch it at at the auction.

You lease should state a interest fee for unpaid balances.

Couple of details that would help the community here: what's your estimated value of house "A", the loan balance, and monthly rent?

I'm genuinely asking to understand the use case for my self for an individual investor.Re. balance, as someone who is a former CPA and has prepared financial statements for multi-billion $ funds, I understand the important of a balance sheet.

I have about 150k equity in my home and have $215k balance on my mortgage.

If I bring on an agent who does not join, I get billed for it and all my agents memberships gets suspended if the balance is past due.  

Wages will also go up, and we will see a better labor/capital balance as we negotiate end-stage capitalism.  

Definitely recommend the seller financed buydown as if you refinance whatever the remaining balance from the buydown is can be used to pay down the principal balance of your loan. 

Sure, it’s easy to get nervous about over-leveraging... no one wants to feel like they’re juggling flaming torches while balancing on a high wire.

I consider that a liability,  don't want it on my balance sheet and if I were out of funds I would sit on the sidelines before entertaining that deal.