Having a much higher fiduciary in the transactions etc etc. 

Although, most wholesale transactions tend to be houses in need of rehab, just because that creates a big motivation for the seller and/or can prevent them from being able to sell the property retail via a realtor.As for "using the house as collateral"... 

With my banker I can refi out almost immediately if it was an all cash transaction.

Do you think i have to worry about this or is the commission for the entire transaction capped at 6 percent?  

If I feel it's something another investor may want I will still pass it along.But I always make sure the seller understands fully what is happening and is ok with the transaction.

But...Recent rulings and interpretations by the Consumer Financial Protection Bureau have shifted the original exclusion of non-owner occupied property...Consumer Credit Transaction Secured by a Dwelling Existing § 1026.36 applies the section's coverage to “a consumer credit transaction secured by a dwelling.”

You will generally have to submit Proof of Funds with any offer, so be prepared to have transactional funding in place.2. 

For more information about "Life Estates" contact a local attorney there in Minnesota, as the laws will be different concerning this type of transaction than the laws in Texas.I have seen these pop up from time to time at my office, because people are trying to avoid estate taxes for their heirs.

I would question why YOU would even want to go into the transaction on a verbal offer??

(You narrative didn't say what your SFR is worth) Make sure you tie the two transactions together as you don't want to buy her property without your property being purchased.