Look at the airline industry or fast food or cell phones for example.

Thai, Vietnamese, Korean food fanatics will bring you to the east.  

Throw in some food at Panera while i addressed letters and used the free wi fi (i was living on a boat at the time) and you can ballpark i spent about 350.00 bucks to get that one lead. 

This made us delighted to carry back financing on the home.

After various expenses (rent, food, gas, car payment, student loans, etc.)

This is in Carlsbad California, not too far from the beach and blocks from very popular shops and food.

Sometimes I go to the Food city at the intersection of 48th and Southern and the entire neighborhood changes drops to a C.

Will the contractor have to do other jobs simultaneously in order to keep food on his table? 

I would just make sure you write something up along the lines of "The leases states I am not liable and tenant should have renters insurance, but this one time I am offering X and if it happens again the tenant will have to use their renters insurance" If a tenant's fridge breaks, I compensate them for spoiled food. 

Thanks for the food for thought however!