Tell they you would be happy to clean the poop daily, to ensure it doesn't build up and create an odor.

Everything must be cleaned, including vents, switch plates, windows, behind appliances, garage, no odors, etc.

Then you also have the odor and the damage the fire did.Just be prepared and knowledgeable before you jump into the deal.

We tried baking soda, vinegar, odor treatments, etc on the floor - nothing worked.

Some people have eating habits that are repulsive and serious hygiene problems where many people don't take showers or baths for weeks and bad body odors tend to make me sick where I can't get their odor out of my system.

Dollar tree has inexpensive odor absorbers.

 The unit has a very strong scent / odor that's been present and steadily becoming worse as more time passes.  

Repaired water damage, took out dog odor, replaced all floors, water heater, radon mitigation, finished the washer/dryer/storage room, Keypad lock, Ring doorbell, all new paint, doorknobs, repaired deck.

I learned not to mess around trying to get rid a pet odors myself!

Teal blue paint on exterior stucco, roaches crawling around the kitchen in broad daylight, pet (and probably human) urine and other foul odors in the home, etc.