You can also check their reviews online at Google, Facebook, or Yelp.

As @Ke Nan Wang said you have to hire an architect to make these decisions for you.On my projects I will compile like 5-10 inspiration photos based on projects I've done in the past, comps, and photos I find online, then I'll present those to the draftsman/architect.

I would do some online research into Realtors in your area to see if you can make a connection.As @Michael Dumler pointed out, wholesalers are going to be a more reliable source for consistent off-market properties with margin.

I just stumbled upon it online and I’m trying to research it myself. 

There are also online platforms that will handle managing security deposit compliance, refunds, etc. like rentable.com

I have always wrote my own contracts using online templates and I have been asked to write an owner financing contract for someone else.

If I am self managing my portfolio, what do I need to check/confirm, and what easily available tools are at my disposal (online, other) to help me do this? 

It sounds like a good opportunity and I want to pull the trigger but I wanted to get some reviews since the program is a high ticket of $15K I couldn't find much online about this program or Brian Grimes. 

You can also check their reviews online at Google, Facebook, or Yelp.

Any recommendations of online companies with these services?