Potty training puppy and teaching it not to bite?

Hey. i have a new puppy and he's 3 months old as of yesterday. Leo (thats my puppys name). i need help figuring out how to potty train him. (also, we got him only 5 days ago) we havnt gotten our electric fence yet so we have to take him out on a leash. he always plays with the leash instead of going to the... show more Hey. i have a new puppy and he's 3 months old as of yesterday. Leo (thats my puppys name). i need help figuring out how to potty train him. (also, we got him only 5 days ago) we havnt gotten our electric fence yet so we have to take him out on a leash. he always plays with the leash instead of going to the bathroom and then he has accidents. what can we do??? also, when he does "go" outside, we give him a little treat. also, he bites alot, even though he has chew toys. what can we do?? thanks in advance!!!!!
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