As far as managing the property: IRS rules prohibit any disqualified person to provide services to qualified plan.

CA taxes residents on worldwide income but may provide a credit for taxes paid to other states.

The tenant should have already been provided the reasoning why anything was held, in an attempt to try to avoid these disputes. 

Is there any tricks or insights someone may be able to provide me?

If the buyer and sell agree to the terms then a contract can be provided that can accommodate their wishes.

To provide clarity about my situation, I am currently job transitioning and would greatly appreciate insight on building a portfolio with income limitations.

Syndicators will provide references (albeit hand picked), and they can give you their experience.

Fast-forward one month to today, I still have heard no word from Philadelphia L&I (even after calling/e-mailing) and I'm ready to start renting it out, but one problem:"The Philadelphia Property Maintenance Code (Section PM-102.6.4) requires an owner offering residential property for rent to provide the following to the tenant at the inception of each tenancy:A Certificate of Rental Suitability issued by the Department of Licenses and Inspections no more than sixty (60) days prior to the inception of the tenancy.A copy of the “City of Philadelphia Partners for Good Housing” brochure issued by the Department of Licenses and Inspections....."

They could have a lien on the property in case you default for some reason to provide the investor some assurances.

I can get you in contact with a agent who can provide an umbrella policy.