It appears guest somehow (by setting thermostat at below 61 degrees) about $450 of electricity.  

Oh, and just skim read all the chapters, you'll literally learn more just by knowing all the answers...

Plan on renting by room to maximize cash flow.

This report can be confirmed and was written to remove doubt  Make your own decision. The author was completely empathetic to my client. Devastating disaster. It's all here. Two links
https://1drv.ms/b/c/d759d787996d...

This report can be confirmed and was written to remove doubt  Make your own decision. The author was completely empathetic to my client. Devastating disaster. It's all here. Two linkshttps://1drv.ms/b/c/d759d787996d61...

I had a contractor that I had to fire last month for a multitude of reasons (using my materials on his other job, extremely substandard work that has to be redone by someone else now, not paying his subs,  lying about work being completed that was not actually done, etc).

And I’m thinking  it would raise the rent by 50-100 dollars a month.

My preference for providing value to others is by use of my brains and not my brawn...or lack there of. 

What is your opinion or experience by starting a tenant with a month-to-month lease instead of a full year term?

However, RUBS is generally a contractual issue, and additionally, may be limited by local rent control.