I'm guessing it's out because she failed to pay the bill (utilities are in her name), but PG&E of course won't tell me anything.I've sent a 3-day notice to Pay or Quit. 

Great strategy for the following reasons: passive, secure (low risk) and nice double-digit returns.

Do you utilize a business credit card for any of your properties, or just for a general business card for your "rental business", or not at all?

My plumber just installed laundry plumbing and a gas line in our utility room. 

You need to have enough money, probably in the $100-150k, amount to put the property under contract, and do the feasibility study on the property, Phase 1 Environmental, Property Drawings for roads, water sewer, and utilities, and have a completed budget so you know what your costs are.At that point you can go out and attract investors, I don't thing that developing raw land is necessarily cheaper than buying discounted finished lots. 

Where your traditional renter was the tourist, you now have the retirees, digital nomads and other work from home crowd to boot.5.

I utilized 7% for CAPEXand 7 % for maintenance given recent updates .Tenant pay for electricity and gas.

Some guests are just not tech-savvy, so basic instructions for utilities/amenities that are difficult to navigate is a touch that is appreciated.

I built a better website and improved the digital marketing reach.

@Benjamin Stacey so we utilized a HELOC to get into our first STR deal (different than your situation, but I can relate).