I'd note you're most likely going to do the whole process over again, so don't be surprised if your lawyer doesn't accept your 14 day notice and will send their own.

Does anyone have a form or suggestions they'd be willing to share?

I'm eager and willing to become as valuable as I can even if it means being an assistant to a seasoned investor or working for a brokerage for a while.

While I will still lose money on it in the long run, I'm at least breaking even on it monthly and no longer have the headache of it. 

She said that she knows that house is worth 300-400k (and she's right), but she told me to bring her a price that would work for me, and she would be willing to owner finance if we agreed on a price-she has done owner financing for other buys in past years.

Who will show it to potential renters?

Always evaluate the numbers before proceeding to ensure the property will produce positive cash flow long-term.

You will lose ALL tax benefits and owe all the capital gains that would have gone away. 

I apologize for the inconvenience, but we will not be able to insure your physical property at this time.

You are not going to buy land and put in a mobile home and the lender in 6 months will consider it a single family home.