YES you can buy what ever you like ...
Legally, not without his father's permission.
No, she must be at least 18 in order to get married without parental permission or have a court order.
You can only file bankruptcy without a spouse in cases where the debt is yours only. For example, if you have a credit card that is in your name only then you can file without your husband.
With parental permission, yes.
With the permission of the parents.
No, a child does not emancipate you in any state, only regarding your health and everything regarding the child. You still have to do as your parents say and can not move out without parental permission.
Only if you have parental permission. As a minor your parents are still responsible for you.
Yes, but only with their parent's permission.
Idaho has no emacipation laws. The only way to get emancipated is to have you're parents allow you to marry an adult (18+) in which case, your new spouse becomes your guardian.
No.
If your parents have legal custody of you, and presumably they do, you will need their permission.
Yes, the parents can give permission. It does not absolve them of responsibility.