@Matthew Mclean Generally yes presuming your goal is to get a better rate. 

So, I would presume that if a tenant sent a partial electronic payment I could simply refund it even at the court hearing claiming that I am not accepting the payment.

You'd be dealing with 5 different sellers, each presumably with their own challenges.

Then presumably you will only get a piece of the action, since you require the person who is owed the overage to agree to let you collect.Ultimately, it's a lot of work for probably not that much money.

Logically, the counterclaim being a compulsory counterclaim, and the one shot at fixing mistakes or surprises (because you didn't know about the tax sale, presumably) having passed, it is all over for the taxpayer.

Here's what I'm thinking:Find a duplex right around the $1M price tag, where one unit rents for around $3,500, and the other unit could presumably rent for something similar, or slightly less. 

Fort Rucker, I presume?

But you also have value in your current, presumably low, interest rate.

That group is then subdivided into two groups - two "PODs" (a smaller group in that group - usually 10-15 others) with two supervisors (presumably from GB?)

Now presuming you have a valid contract and you are willing to move forward with the deal, an attorney can help you with closing.