Honestly, nobody wants to buy from someone who smokes around their fabrics. Even washing doesn't totally remove the odor. I wouldn't even plan on selling stuff if there were smokers in the house.
Pets, on the other hand, I simply would state that you do not have a pet free environment, although the items are washed and stored away from pets once completed. Some people have serious allergies to pet dander and really can't have items that come from a pet home.
My sister sells doll clothing. Her pets have been trained to perches and the door kept shut when she is not about, thus keeping her stuff free of fur.