Breaking up with gf. We have twins together. I have 3 kids full custody from previous marriage. With my schedule and her's we could easily workout a 50/50 custody of the twins. I know because I make more then she does at domestics I'll get taken. Would it be wise to offer maybe 500 a month support or gamble on what domestics would charge? Based on what other people I know pay the 500 would be less. I don't have money for legal expenses. Would a notorized agreement be better