Does this not come very close to discrimination based on familial status, if we have different requirements for an unmarried couple than a married one?

The retirement/financial independence equation he uses is a paid off primary home, 500k in liquid assets (usually retirement, cash, and after tax brokerage account), and more than 1 source of income (part time job, real estate, social security for those of that age, dividends, etc.).

Depending on your filing status, capital gains tax rate goes up to 20% from 15%.

Documentation must be provided to prove the change in occupancy status​.Non-Occupant Co-Borrowers: A borrower who is a non-occupant co-borrower on another FHA loan may still be eligible for an FHA loan on a property they intend to occupy as their primary residence​.If you want to rent out your current home and you need the rent to offset your current mortgage payment to qualify for the new loan, you run into another set of FHA rules. 

I constantly hear people online (Social media) talking about getting an FHA loan and house hacking a 1-4 Unit property.

She only received social security income, no other income.1.

Status of mortgage payments5.

I'm finding when I look at a given property, I get inaccurate comps in two ways: 1st, a property will show up in the list as a comp to my subject property but have a REALLY low sale value; upon investigation I find that the property acutally hasn't sold in 10+ years but PropStream thought it was comp; 2nd, a property will show up as "Sold" in the MLS status, but all ownership and transaction history tab don't reflect the new data.

Direct mailers, calling expired/cancelled listings, attending landlord/investor meetups, cold outreach, social media groups, fsbo platforms.

Can't do that, but I often wish for one, when I see someone receiving horrible advice from someone with zero personal investments telling others what they should do..Other social networks allow downvotes once you reach a particular karma threshold.