While the bookkeeping will likely be complicated, is the accounting/taxation on this STR based on 100% STR income/expenses allocated 100% to business and general house expenses (mortgage, utilities, depreciation etc) pro rated between STR/personal residence based on sq footage?  

I told the tenant that I will be allocating their last months rent, that was transfered from the prior landlord, for the month of September and served the tenant a 30 day notice to quit (no cause).

A great resource is the webinars section of the website. https://www.biggerpockets.com/proreplay

Section 8 for City of Phoenix:https://www.phoenix.gov/housing/section-8-resources

Like @Jeremy Holden said above, sub2 could be a good option for you, he's a great resource to lean on in this market as well.

If you project out how quickly your equity will increase, you can get a decent idea of how to leverage your resources.

I'd be happy to help if you think that I can be a resource.

I appreciate any advice, resources, or personal experiences you can share.

You're looking for all the coach's contacts, resources and the people that are in the community that you can possibly partner with.I've worked with coaches who have done what I'm looking to do, whether to invest in real estate, scale my business, or become a better public speaker.

Here’s a great article that walks you through how to qualify for REPS status.https://www.aicpa.org/resources/article/tax-rules-for-real-estate-professionalsEntity Structure ComparisonBe sure to consult with a CPA or tax attorney as the entity structure you select can have a significant tax impact.