Mixed emotions

First baby and i want him here now but i dont, my emotions are all over place, i wish i could see him & hold him but at the same time i dont as i am no where near ready yet, still have alot to buy, I'm due October 5th but for some reason i have a feeling he will come before then, my family think the same, ive been cramping quiet bad for last few days now & something is telling me he is going to come early but im scared, I don't know what to expect, i dont know how to be a good mum and take care of my son, i know im not only one going through this but i am terrified and shit scared