If you want to do more homework on why this is, check out the article below about loan-level price adjustments (I'm not affiliated with this website in any way): https://themortgagereports.com/6866/llpa-loan-leve...

I am doing my best to be able to find some RE Affiliate Marketing business where could I earn % from high ticket closed deal = successfully sold real estate for "bringing" on my own, on behalf of owner or agent, interested person who became a buyer.

Mail can pile up at your office that you rarely go to but email is your lifeline with your clients, contractors, and affiliates.  

BTW- I have no affiliation with the site.

They provide affiliate links and reviews; they also disclose their advertisement sponsorship. 

I have no affiliation however I do recommend the RAREBIRD meetings ..the gentlemen who run it are very sharp.. and there are beginners and experienced investors in the group.

Following that, the MHA or affiliate will complete a walk-through and rent feasibility assessment.

Not suggesting you necessarily use them, but they are not affiliated with the property.

Amazon could feed themselves with a steady supply of loans by buying the seller's home through an affiliate so as to capture their mortgage on the buy side.

I recommend doing some Google searches & reading some of the outside info on him & his affiliated companies.