If you allowed pets, which I hope you didn't, ridding the home of the smell could pose a problem, especially if the pet relieved itself in the same spot.

One person booked at the normal rate instead of what we quoted and the other somehow had a pet fee attached which we still don’t understand since we do not have that as an option.  

Do you allow pets?

Any other possitive factors  - stable tenant base  - alarm systems  - regular checks on the property  - no pets  - Lead safe certification  - newer roof, plumbing, electric, etc..Anything to balance off the lossesBe prepared that it may end up in a non-standard (surplus lines) market for a couple of years.If you did not have flood coverage before, see if they will continue the current policy if you get Flood coverage and increase the property coverage deductible. 

Do you allow pets at your vacation rentals? 

But you can rent your entire property, furnished, with utilities, on AIRBNB, for a minimum stay of 30 days and allow pets for $25-2750+ No management, no property destruction.

Other common lease violations are damaging the real property, staying longer than agreed upon, keeping pets without the consent of the owner, or breaching one of the material terms of the lease agreement.Performing illegal activityInvolvement in an illegal activity may be valid ground to evict a tenant.

"for $___/year, we provide "x" additional inspections")6) Liability policy that covers tenant intentional damage, criminal acts, and unpaid rent when skipped or evicted (through insurance provider that provides this kind of coverage)7) Financial reports per quarter (as whatever period makes sense to you) (this can allow you to advise the owner on the health of their portfolio)8) End-of-year review of the property to show conditions and suggested needed and preventative maintenance items 9) Preferred vendor discounts (requires a contract with a vendor to give better pricing)10) Eviction protection programs (this is usually done "in house" when you have sufficient number of units under your management to be able to offer this kind of program)11) Legal services (requires agreement with landlord attorney to provide those services at set fees)12) Professional photos option (for enhanced listing)13) Professional, licensed home inspection (this is more relevant for older homes to ensure safety and habitability are addressed) 14) HVAC filter replacement program (this can also be a program offered to tenants)15) Pet and ESA screening through pet screening vendor (helps to streamline and increase quality of screening)16) Client portal account for ease of communication, updates, reports, etc.

I am working on a home that has a horrible pet urine smell.

Also I was told -to get ahead the competition (and my suspicion about the prevalence of 2-3 bedroom beachfronts was confirmed) - we have to go pet friendly and accommodate 10-12 in that 3 bd house.