Puppy Seems Aggressive.. Normal?

My 3 month old cockapoo has been biting a lot ( I know that is expected of pups of course) but he growls and bites pretty hard. What is some good ideas for training him not to bite and be more gentle? I know he must grow out of a bit of it but is there something I can do? Thank you!

Is It Normal For 10-12 Week Puppies To Nip At New People They See?

Just got a new cockapoo puppy, he is 11 wks, and nips at new people he meets… with christmas coming, so are a lot of people who are going to want to pet him… he doesnt hurt them but will he bite when he is older? is this affecting his training? please help, thanks!

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How Do I Make My Puppy Walk Like A Normal Dog On The Leash!?

I have a 6 month old cockapoo. When take her for walks, she wants to smell everything, greet everyone and bites the leash, thus making me impossible to walk her.
She basically pulls me, and she looks like a Jackrabbit when I take her on walks!!!
So any training tips, suggestions, ideas to help me??
Thanks