Often times the [Seller's] model promotes a resale of the loan after a set amount of periods have passed where the Borrower has made a payment.  

How do you promote it?

See SEC v Howey:A security is defined asinvestment of money due toan expectation of profits arising froma common enterprisewhich depends solely on the efforts of a promoter or third partyTo me the dispositive issue here is the last prong. 

The "wholesaling" gurus are trying to make a buck promoting assignments, etc.

In todays market, a lot of companies are promoting universal design. 

- I just thought it was a good way to get some likes and promote my company - I know everyone is addicted to before and after pics and the rehab shows on HGTV.There was a flurry of activity on the Facebook post and people started tagging their friends who were looking for houses.When I stopped by the property on my way home that day, there was a buyer sitting there waiting for me.

Forum post will get flagged for promotion.  

I'm surprised moderators did not catch your promotion as you are neither Pro status on BP or is this listed in the marketplace as an event. 

Here's a good starting place: The Essential Guide on How To Build and Promote Your Buyer's List

As there are many ways of becoming a real estate investor, I am a strong promoter of education as a means to an end.