In fact you will know so well you will be able to pull trigger on the deal quick before someone else does.

Keep in mind that they must maintain the payments or risk triggering the due on sale clause within their mortgage.

Don't get trigger happy!

Joshua, The first part what you said about the seller's bank allowing the buyer to take over the seller's mortgage is called a "subject to" contract and it runs the risk of triggering the due on sale clause within the seller's mortgage where the balance of the current mortgage would be due upon sale of the property.

Unless it is a FHA loan or VA loan, it will not be assumable and a "subject to" purchase will trigger the due on sale clause of the mortgage. 

That seems to be the amount that triggers something where financial institutions have to pay attention.

I've strongly considered TK SFH to expand my investment "footprint", but haven't pulled the trigger yet as I have been seriously looking at smaller MFH opportunities (which haven't been good deals, BTW).

But not everyone likes the idea of taking on debt, it is a personal question of risk tolerance and everyone is different.Secondly, I agree that there are many many providers who massage numbers to make things look better than they are.

I am able to find a lot of great deals, just haven't pulled the trigger on any of them.  

That is what a buy-sell agreement attempts to circumvent, there are business and life occurrences that trigger state laws, such as death or bankruptcy.