It isn't really easy but it is not impossible. There needs to be much more going on for the fear to be credible.

If petitioner passes away before the Order of Protection expires can the Order of Protection be removed?

Motion to vacate the order since there is no need for the protection. You will need a death certificate

When is a good time to change a custody order?

Tell her to follow the order. You are not making a mistake that way. If you don't follow the order and she was the subject of a neglect proceeding...

What is subtracted from gross income in order to calculate both temporary and final maintenance?

It is your gross v her gross income. You can find alimony calculators online.

For divorces filed before 2015, which calculations/criteria are used to determine maintenance?

Why haven't you applied for pendente lite support. You need to consult an attorney asap.

Will I get a greencard when I marry my boyfriend in jail?

This is an immigration matter. If he can't support you and is in jail I do not think you can be sponsored by way of marriage.

My is 1 year old father and I have joint he doesn't fallow court order Visit ?

File a modification of custody in family court. Speak to an attorney.

Child support?

You show the increase in expenses but also allege that the non custodial parent earns 15% more than when the order was originally entered.

How would I comply?

You need to hire an attorney asap and defend yourself.

How can I obtain a order of protection when my ex harasses me on a private phone number?

Go to family court and file a petition for a restraining order against her.