But, if your head is filled with information and techniques that aren't generally known, you can offer benefit to someone who needs direction.

It seems the ones with any success quickly start selling their secret techniques to new people through websites and YouTube videos.

It can be done, but it is definitely a "high level" investing technique. 

Ok here is a video from my BP blog - Intro to Creative Financing Techniques https://www.biggerpockets.com/member-blogs/3/44023-introduction-to-creative-financingAnd one from the same BP Blog - Sub2 Introhttps://www.biggerpockets.com/member-blogs/3/43167-sub2---learn-the-basics-of-subject-to-existing-financing

The best technique I know to combat sunk cost bias is to say, "Knowing what I know today, how would I deploy my capital in the most tax and cost efficient manner?". 

There are pros and cons to both.Any benefits to MF can be countered through various techniques while owning a high quality portfolio of SFR.Name the benefit and I'll tell you how.The important info she needs is how to effectively run financial scenario analysis, include risk considerations, so she can decide which route is right for her uniquely.Though there are things that can be learned from others, individual investors have unique talents, unique goals, and can formulate a unique strategy that works for themselves.  

People are going into Subject To and other techniques with no clothes on and will be getting exposed even before the tide goes out. ( a derivative of Warren Buffett's quote) Simply put, they are being taught or they assume, that they need no money, they have little proper training, can make a fast buck and not escape the consequences.

This is not a "no money needed" technique. 

Without knowing more about your personal financial situation, it is a little tricky to give tailored advice.

Subject To is definitely NOT a “No Money Down” technique”, Here’s why . . .The obvious question is: "How Do I Keep Finding These Smokin' Deals"It costs money to locate a willing seller.