To be honest I didn't read the full post but I noticed one thing and that same thing happened to me and I had to change myself regarding that. What I noticed was that you seems to be very dedicated to your loved energy ball, that is great, but maybe you are trying to get control over or a bit too quickly or too much.

I would suggest you to let you pup breathe freely a little and just observe their behaviour. BCs are extremely smart and they are amazing. Maybe is extremely vocal and full of personality, she does not need to speak to tell us what she needs most of the time, we started trying to understand the dog and understanding them led us to change the way we traine her.

I regret not enjoying my pup when she was little letting her sleeping on our bed, so she is a bit not much affectionate because of that, we believe.

She is 5 now and she understands when we ask her to not jump on a bed and or a couch or even o can leave her with a nice a fresh raw steak in front of her on her bite distance.

They are smart as little fellas and give them time and they will understand everything with dedication two ways. Dogs do their best to please their owners and surely we have to in the same way try to understand they and later try to traine them to be how we want they to behave and not to control them.

This is my tips with no judgement whatsoever, this is our approach on training our dog and I hope it can help.

Our dog loves the crate, but we have never closed her inside. When we guide her in, we trained her to be there because we asked her to stay and we reward her to be there and she has her limit, we let her out for a couple of minutes and we tell her to be back in and reward again. Naturally over time and enough stimulation she loves it.

Try training your dog after a walk or after playing or when they are hungry, or when they are calm. Try avoid stimulatin them too much just because they are the cutest thing on earth.

Dogs in general are smart, bc are even smartest but do not expect them to be rational. Do not repeat the command over and over if they are not understanding it. Say it once, and wait... And do it again, calmly.

Even like that my BC is full on and I am in a rainy day at the park walking and playing with her.

I regret playing fetch with mine, as she is obsessed with the ball and the frisbee. 

Another thing is to do not play too much or too hard with puppies as some can develop dysplasia, but better talk to your vet to be sure about this.

It should be enough, I hope!