They should not be allowed to fine nor threaten regarding pet policy.   

If its hoarded garbage or illegal pets, that's just a written warning and then progress from there.

The lease states the increase in rent for a pet, and the condo association also requires an annual pet fee.

. - Have pets, especially big dog & pit bull.

I don't like either of those things in my unit so I am considering the following options:Option #1Ask both tenants to leave 30-days after I take possession of the property , renovate the units on the outside & inside (gutters, siding, interior paint, floors, mini-split units, ceiling, other miscellaneous things) then raise the rents to around $700/month each and look for good tenants (no smokers, no pets, good jobs) to put on a 1-year lease.Concerns: I question whether or not this is the right thing to do since the virus has many peoples struggling with their jobs and I don't know if its right to ask the tenants to leave during this "crisis" (they have lived there for 8 years and have been paying rent).

Do you have a provision in your lease either prohibiting cats or charging a pet rent or fees?

I said ok to small pets.

It rented for the $1,195 (+ $55 pet fee). 

Then $350 for a pet deposit that is not refundable, really more of a fee.

Are there any industry pet peeves or unspoken rules of the trade?