California. Is a last will supposed to be written in my own hand writing?

I was wondering if this is the document that a couple could file to have their child go to whom they wish, after they are deceased?

Do I have to get the siblings to sign the form from the probate office if they are not inheriting anything?

How do I change the info on my last will intestments from he will go to if I pass away?

Hi, I live in nj. If at the time that I make my will while living in nj but moves to nc before
my passing. Will my will still stand even though I no longer live in nj?

Can my spouse and I have a joint will or do we have to get separate ones?

My wife and I live overseas and want to create wills. Are there any special procedures to creating a will from overseas? Also, we come from different states but have permanent addresses valid for both of us in both states. Is it beneficial to file wills in the same state or should we just chose our birth states?

My wife and I come from second marriages. How do we make a will when we have a blended family?

Can I create a codicil to my will/living trust on legal zoom? How do I formally "attach" it to my will so it is legal?

Do you need both a will & a living trust?