Take his comments (and mine) with a grain of salt.

Both options are terrible as far as I'm concerned.Just some food for thought.Oren

People love food, and donuts are cheap. 

I'd suggest he stop burning his food. 

@John Warren @Brian Robbins Thank you both for the kind welcome and thank you for offering some "food for thought".  

I thought everything was fine (the exterminator closed all the small openings the mice can enter through, and we spoke w/ the tenants about closing screen doors, putting dog food away, etc.) 3 months ago, they tell me they have another mice problem, so I call the exterminator out again.

Here is the IRS publication: https://www.irs.gov/pub/irs-pdf/p925.pdfI am not an accountant so take this with a grain of salt please...

Like innocent victims of war that are lacking food and water.

My tools , my house payment , my gasoline for the month , my electric bill , my health insurance , my truck payment , my insurance payment , my telephone bill , my food and the food for my family , my cable and internet service , my health insurance ,  basically 1/12th of my yearly expenses , the cost of the employee , federal and state taxes  PLUS a profit on top all that

Real estate covers two of the basic human needs, shelter and food (land is used for farming and food production).