You didn't state where you live, but if you're in the US (and without knowing what state).... Five years ago you should have petitioned for custody and child support, but since you didn't do it then and the child is 18 now (no longer a minor), there's likely nothing you can do. Call a local attorney and ask.
Yes, depending on state laws. But, a motion to modify can be presented to the court. see links
no
The child is considered a runaway if refusing to live at home. The emancipation need not be approved by them. As for the child support, that is strictly interpreted by the court. see link
It is assumed you mean the parents have joint legalcustody and one parent has physical custody.Generally, the parent with physical custody is awarded the child support since child support is intended to help pay for the child needs, living expenses and all the associated costs of raising the child. The custodial parent has much more in living expenses that are associated with raising the child.See related question link.
You have to keep paying until you take it back to court to amend the order. You will probably be ordered to pay to the institution your child is living in, not the custodial parent.
No, but the new CP should immediately return to the venue that issued the order to get it terminated, or at least suspended until custody is worked out.Wrong. The newly-custodial parent will have to continue to pay child support until which time the "current" court order reflects that you no longer have to.Such things as a large pay differences could very-well continue having you pay child support but at a very small amount, in order to equalize the child's living conditions.(I thought it was BS too but I'm a single father who still pays child support)
Not really the Judge will decide this matter for you.
See links
If the support order included a provision continuing support while the child was enrolled in college it does not matter where the child is living, as the support is to reimburse the custodial parent for the non custodial parents share of the child's expenses. If the child is attending school the custodial parent is likely still paying expenses for that child regardless of where they are living
If you're in the US, marriage automatically emancipates a minor and therefore the parents are no longer responsible for supporting them, so, no, child support does not continue. The noncustodial parent needs to file a petition to have the child support terminated.
No. In general, child support is a percentage of net income.
Yes. Child support is for the "custodial parent". If you are not living at home with your custodial parent, then they are no longer eligible to receive child support. However, the non-custodial parent can request a modification if the child is no longer living with the custodial parent and that includes a change of custody. A 17 yr old is not emancipated in Texas, unless proper procedures through the courts have taken place. If that is the case, then the custodial parent and child are no longer eligible for child support.