divorce

my husband and i been seperated for 10months already. and i will file for divorce he agreed on signing the papers and we agreed on how much he will give me every month and visitations i live 2hr 30min from where he lives. the attorney i am planning to get told me if we agree on everything that it is much easier and will cost less he is charging me 1,014 (314 for the divorce papers and 700 for him) i live in WA. how much has someone paid when spouse and you agree on everything? we have 4children together