Karlo began protection too early. I started him young(4 mos) on the pillow, and by 7 months he was biting an intermediate sleeve. His size made him seem older and the helper where I started training when K was 6 mos was very intimidating in posture/facial expressions so there was pressure on Karlo early(no in the blind work however!).
I wish we'd have waited, it didn't hurt him, but wasn't necessary.
As far as obedience, I 'just bonded' with him, tugging and asking very little. But he wasn't naughty and was pretty biddable. Again, I wish I'd asked for more and worked on rear end awareness while his body was smaller!
We tracked from the age of 10 weeks.
If I started another pup, I would ask for more eye contact and work the body so the pup would know there is a rear end behind the nose.
I would have started article indication, blind searches, and retrieves much earlier than I did. Once the pup gets older, I think teaching them some of these exercises is more difficult than when they are sponges, and enthused...& don't question the why's!
I also went to different training groups when he was young, so he saw 5-6 different helpers in his early months.
It didn't hurt him, but now that I know better, I wouldn't have done that either!
He has always been very balanced and transitions in his drives, not over the top with either prey or defense.
Though now at maturity, I've had to put more control on him in our training. He has a genetic strong H&B, I never had to train it.
This is K at 8 mos~we were visiting my 'old' training group,other than his thin tail, you'd never know he was a baby still. Karlo hadn't trained there in several weeks, but engaged with enthusiasm.