A cistern/tank would be something to look at as well (as you said).The one thing that makes it attractive is the fact that you do have some water supply part of the time.

disclaimer: I have written a very small number of these in CA. guidelines may have changed since, i would recommend you reach out to someone licensed to do these in your state. 

Did you work with any real estate professionals (agents, lenders, etc.) that you'd recommend to others?

Although I wouldn't recommend a 10 year career professional to dive head first into Real Estate and quit their job on a whim, you're in a position where you have your entire life in front of you and likely have yet to incur debts that need to be paid and other real world expenses.  

Hi All, I'm looking for recommendations for lenders who can do a quick turnaround with no/little early payoff penalty so I can get my contractor on the rehab asap!

Any recommendations? 

But here on BP you can request landlord insurance recommendations for specific market.

Did you work with any real estate professionals (agents, lenders, etc.) that you'd recommend to others?

I’d appreciate you for any advice, recommendations/suggestions.

Consulting with an independent insurance agent can also provide personalized recommendations based on your situation.