my fist deal

hello, every one i have found a nice home that is being sold by the owner,his asking price is 269.900,i ve made my calculations,i am going to offer 183.930 the house if free and clear and he does'nt want to involve a real estate agent if my offer is accepted can some one please tell me what paper work i need,i am also going to find a buyer.

1st deal and iam so nerves help please