Hello how may I help you? I got a new puppy and need some advice I will try to help you with your pet How many times should I feed a 4 week old puppy Do you mean how many times per day? Yes Three times a day. How many times should I walk it? per day Do you mean how many times per day? yes You should walk your puppy twice per day. Do you have other questions? How often should I take him to the vet ? You should take your puppy to the vet at two months four months and six months. Do you have other questions for me? Should I get him a flea collar? How big is his neck? About the diamater of a peanut butter jar? That is the proper size for his first flea collar. Do you have other questions? Can i feet it pizza? feed with three different toppings Yes but you should not feed it mushrooms That's okay. They're out of mushrooms that is a good thing