Moving kittens around frequently can be stressful for them and may disrupt their sense of security and comfort. It is generally best to provide a stable and consistent environment for kittens to help them feel safe and secure.
Not bad.
Yes, if you are scaring them intentionally.
Really! How bad is it!
Kittens can be polydactyl. Polydactyl means an extra toe. It is harmless and will not be a problem. It is a genetic feature of some cats.
Your feet gives you the ability to move around.
to move around and takes all the good/bad stuff in or out
Of course not! Kittens are of course just adorable. The only bad thing that may happen if you look at kittens to much it could hurt your eyes. If you don't look at them constantly you will be alright.
Kittens left outside (bad idea) will attack anything that moves or wiggles. It's the prey-attack instincts. Plus, momma is teaching kittens to hunt. However, you're placing your kittens at risk to let them do this. Spiders, insects, and snakes can all bite and cats / kittens can have allergic reactions.
Yes. She goes around the house calling for her kittens. If you take them away from her. If they grow up and leave on their own accord, the mother understands and lets them go. If you let them grow up to the proper age before you take them away from them, then it won't be so bad.
The kittens most likely have an upper respiratory infection. You should get them seen by a Vet. A simple antibiotic will clear it up.
I think it's better to stay at the house until something goes bad, like about the house or in the neighborhood.
No. You must separate them immediately if you see them doing that. The kittens genitals will become inflamed and will require surgery that most of them do not survive.