Rates are high, usually in the high 8s or low 9s, and you may pay 2-4 points on the loan. 

How do you pay for the tax and insurance?

Plus the mortgage company probably calls the loan, and if you can't pay it off then you can lose the property.

After doing what I felt was enough research—even though the sales pitch was a bit pushy—I decided to move forward.Their pamphlet outlined several guarantees and provided additional details.

Section 8 pays $1,590 for a 3BR unit.

There's nothing wrong with paying for someone to do their job but take the opportunity to learn from them. 9/10 times they don't mind teaching you.  

I have had sellers agreed to owner financing as well as sellers to take steep discounts, as well as sign a purchase and sales agreement with me on the spot. 

For example, if you manage the rental yourself then you won't pay a property management fee.

Owners pay not to deal with problems.

For example, I mention that every adult must pay a $XX application fee, pass my credit/criminal background, make a combined income of 3x the rent, and whether or not the property accepts pets.