With parental consent or through marriage. Ohio does not have early emancipation and joining the military is not something you can either so those are the only ways.
They live with their husband. They either move into his house or the couple move into a separate house.
To get a divorce without moving out of your house, you will need to get your spouse to move out, or reach an agreement about continuing to live (separately) in the home.
Yes
It depends on your age and the state that you live in.
It is unlikely he will ask you, but if you go into Edit Town, you can manually move your Sim into his house, but check there is enough beds for them all. If you want him to live in your house, keep socialising until you have the option to ask him if he wants to move in.
In the UK there is no problem - she can move out and live where she likes.
You have to be 18yo.
No. You are a minor until the age of 18.
You have to be an adult and that age will vary depending on your state or country. In most places that means 18 years old.
If you are emancipated, it's up to your parents as to whether you have to move out of the house or not. If your parents do not want you to continue to live with them, they can get an eviction notice to force you to move. However, in order for a court to approve emancipation, you have to prove to the court that you are self-supportive and that you have a place of your own to live.
You have to invite him or her to your house and find the ask to move in option when you click on them
Seems like they already live in another house in LA.