NO. The person ordered to pay the support must petition the court for that.
Yes, it can. Moving in with the other parent is grounds for "flipping" child support payments. However, this must be done by court order.
No.
Alimony to the non-custodial parent may still be ordered; depends on the circumstances. Child support payments are based on both the needs of the child and the ability of the parent to provide them.
no
no
Generally, no.
NO!
Yes
Child support id ordered by a judge, therfore any amendments and/or changes to a child support odred must go through the court. I suggest contacting the child support office in your area and they can advise you how to go from there.
no
yes
You must return to court to have the order modified as soon as possible. Until the child support order is modified you may be incurring arrearages.