If the tenant pays, you can write into the lease that they will pay a certain amount for the energy generated by the panels or charge them for their usage of electricity at a certain rate, any after the 5-10 yr payback period, you will be making money off of every solar generated kWh of electricity. 

Traveling long distances is expensive and long stays are common, especially with parents. 

I'm going to be traveling for work for about a month in each city.

If it is an international traveler, the bank fees on VRBO are substantially more than the service fee charged by Airbnb and this is on top of the annual membership fee that VRBO charges!

Most people on travel just want to be left alone by the host unless there's a problem or a request.

@Chase Gruening for the purposes of usage, hard money is the exact same thing as private money. 

It was not easy, I travel every month to monitor my business and have my local team composed of 30+ people, among handyman, realtors, CPA, inspection company, etc.

I'll be traveling down there to go to a few meetups.

@Farhad Rahmani Go to Meetup.com  type in real estate how far you want to travel.

Had some wildly ranging quotes from Liberty Mutual/Travelers/etc.