From a methodology standpoint, I would buy/rehab an empty property first first then choose to either Section 8 or rent to complete the BRRRR.

It's a solid methodology--see here for a 60 min overview and here for his free Udemy course. 

I use Scrum methodology for organization and a program like Wunderlist or Trello to keep track of my daily tasks, weekly goals. 

Since your NOI analysis methodology will most likely be the same for each property, properties that have a Cap Rate above your baseline would be worth exploring.

Now, before all the Detroit fans take shots at @Joshua Dorkin please read the methodology section at the bottom of this post.

You mentioned some flaws in our climate, you must be cognizant of the fact that our building materials and methodologies are designed to meet the demands of our climate, as are the homes built in California.

@Dom Lombardo,@Chaz ReidAlso, what methodology are you using to to get your comps?

If so, this is antiquated methodology and lenders rarely look at "ability to generate debt" anymore and focus only on your income's ability to sustain your monthly payments. 

I think if I can combine his advice with current methodology, I'll be on the path to success!

Your role is to apply the best methodology to a situation, solve problems and profit.