Are there additional factors you think are worth considering?

I want to refurbish the entire house, including a complete kitchen and baths renovation, add an addition on the east side, new roof and siding, new flooring everywhere, paint inside and out"Then ask the GC to go over and put this into a more formal document.

If your rental income increases faster than inflation, you will have the additional dollars you need to pay inflated prices.

Most fail to paper the contracts, indemnification and additional insured requirements correctly.

This combined with my new boss giving me additional responsibilities (how dare he...) and the support of my wife prompted me to take the plunge. 

You may have to make modifications or additions in order to get that signed off.

Planning to start a complete home remodel (interior/exterior) on a home (currently 837 sq ft), kitchen and bathroom bump out, and add an additional bathroom. 

Even with my former partner (who was our 'PM / GC' on site for our projects), it was sometimes tough navigating the process, managing budgets and costs, and keeping everyone in line, including him. 

Here are a few additional ideas that have worked for me and others in competitive markets like Austin:Off-Market Leads from Contractors: I had a friend who rehabbed a house in North Austin last year.

In addition, the PM is running a business and insurance (GL and WC) costs money.