From a strict supply side economic view it means (all things equal) you will be able to demand less rent for any SFR you purchase.

This is the textbook "for better, for worse, for richer, for poorer, in sickness and health..." 

.)-$850 rent-$130 utilities (gas, electric, internet bill split with others)-$30 gym-$276 health insurance-$50 car insurance-$350 groceries-$75 gas-$15 car registration fund-$8 oil change fund-$42 Christmas fund-$4 YNAB-$9 Amazon Prime-$35 misc / unexpected expensesI have not missed any payments, and I do not need to.

There is not economic benefit for you. 

Call property managers in the market you're looking to buy in, drive around the neighborhood (and a 2nd time at night) or look at google street view, check out Hotpads.com or Rentometer to see what current rents are in the area, check out city-data.com to get economic info for your area, etc.To answer your question based off the numbers, looks great.

I started to get the suspicion that she is having mental health problems, but they are young and I don't know how recent they started.

They may not be thrilled about giving some of it, but worth asking:Physical occupancy vs. economic occupancyRecent CapEx itemsAny known upcoming CapExAny open code violations or tenant complaintsBackground checks of current tenants

We americans love our regular bi-weekly paycheck and health insurance.

They do not take out the trash and are creating a health issue around back.

I wonder how many of the experts just used a recorded message when giving their economic assessment?