The seller’s mother signed the house over to her, but her mother is still living.

Anything you say to the son you risk alienating the mother who is a good tenant. 

Come up with my rent,Or go and get bent,You're the tenant I picked,I don't want to evict,I know that you're stuck,Three days' notice will suck,I just can't let you sit,You must pay up or quit.No, I won't let you be,Go sell your kidney,I know when to say when,Turn off your mother's oxygen,Put you out in the snow,At fifteen below,Kick you both to the curb,You'll no longer disturb,The sleep of my wife,I'm sick of the strife,JUST GET OUT OF MY LIFE!!!

Point number 3 is so right on, cash reserves are exactly what I was thinking would be the key strategy to weathering a storm such as a recession.AND, in this Utah market, cash flow is a toughie unless you buy the house with a mother-in-law.

He himself, wife, kids, and mother in law have moved into the one flip as well.

First off, didn't your mother teach you not to follow homeless men into the woods?

Hello out there, I am a mother of 3 young children and I am consumed with wanting to secure a good financial future for them.

will his loan default to me since we do the deal together or my mother by marriage? 

@Travis LucyYou could arrange the purchase from your mother now - at present fair-market value - without having to pull a conventional mortgage {at least right away}.  

The mother has given her son permission to sell to me.