Child support question

PoundCake

I just started a full time job after working 3 part time jobs.  So I'm making more per month, not a lot but still more.

I guess I have to file to amend the child support right?  He has harped on me a ton for how much he pays which isn't that much for 2 kids and I'm sure once he finds out I'm working FT he'll file.

I just struggling now and losing any money won't help since I have to pay on our joint credit cards and everything else I was left with since our divorce isn't done or near straighted out.

I don't want to sound like a money grubber or anything.  I just want to pay bills and save for my kids schooling.