I would video the sellers that are in foreclosure in Nevada reading the CYA Doc below next to your attorney and your notary.

If you are spending more time analyzing deals in a spreadsheet than looking at properties and watching how fast everything is selling and at what price, you are stuck in video game investor mode where you are crunching numbers and then seeing what the lowest (highest) price you can offer based on your data.

A picture book or video log of all the steps and items completed?

Part of what you have not taken into account is the timing of receipt of your profits.By selling with seller financing, you delay receipt of a portion of your profits which the seller may desire if he/she would rather have an income stream such as in retirement.A flipper, by contrast wants to most money (cash) from the sale as possible to then move on to the next project.Question?  

But just like with anything you outsource, you'll get better results if you understand the fundamentals.Google has a ton of videos and support articles.

I have a lot of pictures online and a youtube video showing the whole rental.

Everyone has to start somewhere, so not trying to influence people not to do this, but spending a month reading and watching videos from experts will not make you successful.

You need to identify two things here - (1) Do they understand how to value income stream properties & are they open to being educated about it? 

Try to do a Google Search and use youtube to see him speak on videos. 

It has everything you need to learn including free online courses and videos for you to watch and learn from.