But at the same time, I feel like this chunk of equity is a huge asset I should be tapping into to get moving. 

I dont have much specific advice to help you with this one as it appears you may have just blindly trusted the system you bought into and now find yourself in a pickle.with these types of assets it rarely gets better so careful throwing good money after bad.U may need to just liquidate and and regroup.I dont suppose the company you paid for all this education and system is stepping up for you hear in a financial way ??

I’m in Austin, and while I’ve got interests all over the country, the Texas market is close to my heart.From the numbers, it seems like you're sitting on a solid cash-flowing asset.

Sorry, Unfortunately Voice to Text didn't work.First Point, is as a society we look at home ownership the wrong way, a personal residence is a liability vs buying investment property which is an asset. 

Your rent processing company, over and above your software company for property management can be a real asset.

But, in the event you really are persuaded that it is important to separate each asset, ensure that whoever is managing the books/monies on the LLCs are doing it 100% correctly as even a small mistake can allow would-be litigants to pierce the corporate veil and render all of it in vein anyway. 

or is it still possible to transfer the home to an LLC for asset protection with a quit claim?   

Assets should be evaluated on ROI and unencumbered cash flow. 

Our lawyer provided us with the projected fees for both options and a Series LLC was extremely expensive.What is the ideal number of properties / total asset value for an LLC?

Or if you plan on managing your assets yourself.