After closing on the NNN property, you can transfer it to your LLC for liability protection.

I'm gonna have to start calling ya "Money-Bags Collin". 

Instead of keeping them, I'd look to sell them and buy something more suitable as a long term rental.If you want to know why I have such a strong opinion on this, just google the following: - HOA Special Assessment - Florida Condos 2024 - search for news on the new laws - Zombie Condos

The bank could call the loan due, but this is typically not something that happens often.

How about a credit against their final month’s rent, assuming all payments are made on time?

It sounds like you're trying to identify which area is "hot" based on sales volumes and price.

If you're lucky enough to get a free and clear property where the seller is willing to finance, this reduces much of the risk associated with seller-finance.I would make sure the title is then moved over to your name, especially since there is not a risk of a due-on-sale clause being triggered.

(you’re going to spend too much on these and it’s risky.)b.  

I'm currently receiving 5.75% on CDs.

Or the listing agent.If you have a provision on assigning leases to the buyer and transferring security deposits in the Offer To Purchase (in Wisconsin that's part of the standard form) the title company will put the SD as a line item on the closing statement.