Do a toilet bowl test , put food coloring in the toilet tanks and check for bad flapper valve . 

In very broken English:"No necessito, US has free food!

More traps, patch up holes, tell your tenants to be extra clean when dealing with food. 

This is something I try to live by and teach my kids if I can - "A human being should be able to change a diaper, plan an invasion, butcher a hog, conn a ship, design a building, write a sonnet, balance accounts, build a wall, set a bone, comfort the dying, take orders, give orders, cooperate, act alone, solve equations, analyze a new problem, pitch manure, program a computer, cook a tasty meal, fight efficiently, die gallantly.

type of travelers especially business travelers, cook less, use the facilities less, and most of the time are at work during the day.#7 AVOID -  Avoid condos.   

Some food for thought: there is no such thing as an unsubsidized unit of energy in the U.S. 

If I were down there I would think about setting up a food truck or 10 or 20 and serving breakfast burritos 24 hours a day with some good hot coffee.Just my 2 cents.

When I think of Blythe, CA travel centers, gas stations and fast food chains come to mind. 

Ergo I do all the cooking and cleaning  LOL It doesn't hurt that your wife has a client (you) that gives her all his new builds to sell, lol. 

Nita Cook is a great property manager in the area for short term and long term rentals.