No idea on the notice period required, depends on your lease and your particular state laws. 

Hello, Ko Sounds like a good idea!

That's a start to give you an idea of the market including the supply and the demand.

Current ideas are to view it as a partnership, or an interest-bearing loan from me to him.

You need to sell the idea to her again. 

He gives a general idea of how he runs his business on the podcasts and gives out a ton of free knowledge in them as well.

In San Diego I believe rents can only be raised by 10% per year (or 5% + local rate of inflation, whichever is lower)The idea of evicting a long-time tenant is awful, but I realize being a landlord involves difficult decisions and the real estate business is a business.Thank you for your thoughts!

So I was wondering if any of these ideas would work or what the cons to it would be. 

He lived in my house for 4 months, and I had to pay $1,200.00 in utilities bills he did not pay for this period.I will super appreciate your ideas on this.Thanks you so much!

Putting that kind of money in a rental is good idea I think, certainly on the major stuff like ac and furnace etc because you won't have to mess with it for 15+ years.