Here's a story for you.
A buddy of mine and his wife adopted a rescue cat. Cat cost $5. Required to be spayed on adoption. Said cat got sick. The wife took it to the vet at UGA vet school. $5000 later the stray cat was cured. A few weeks later my buddy came home from work and the cat ran out the door. He tried to catch it but as it never liked him it just ran further away. He went home figuring the cat would come back. Wrong! Cat was ran over and killed. Wife blamed him for the cat's demise. Physically attacked him. Led to police being called. She filed for divorce! He spent a fortune on attorneys fees. Still had to pay alimony. Don't know the final cost but I do know it all started with a $5 cat.
Moral of the story- stray p**** can cost you dearly.