Suppose you have a pet, and you're taking your pet in to visit the veterinarian. Your pet is sick, and you look a little worried. One of the nurse / technicians says to you: "Don't worry. His health and well-being are priceless with us." Focus on the preposition "with". This usage sounds...
A not particularly scientific examination of a question of grammar.
...completely normal. Is it not?
...a little folksy, or maybe like a marketing line, but not actually wrong. Within the range of dialects you're familiar with.
...completely wrong. Invalid in any dialect of English you've been exposed to.
...something else. Your answer is not close enough to the above three options. Please explain in comments.