I also offer services for newbie sales professionals and real estate investors.

However, there are some strategies regarding partnership shares between two spouses that may create a more beneficial tax situation with regard to income that's subject to SE tax- this is a more complex setup and should be done by a professional. 

-is it relatively easy to find a professional to rent a single room in that zip code (south austin)?

Make sure taxes are paid, check for liens and have the property inspected by a licensed professional.

Min 2 year credit history as a professional unless you are a physician.

I have professional experience in construction and a ton of residential renovation contacts in the area, so I believe I have a leg-up on the rehab side. 

Welcome Ivan,There are so many REI professionals in SEA.

These are professionals with additional training and a stricter code of ethics.

I get calls all the time about people looking to have their homes or vacation homes managed by a professional, but I'm no longer doing 3rd party work and would love to find someone good I can refer people to. 

You should decide to either learn the intricacies involved in this yourself and/or commit to finding the best professionals to help you with it.