In this article, we'll take a look at what to do to get ready, what to expect when you're on the market and what money expert Clark Howard says you can do. Here's what to know about the paperwork for selling a house without a Realtor and more.Weichert Realtors is one of the nation's leading providers of Clark, New Jersey real estate for sale and home ownership services. New York requires those selling FSBO to fill out and file many documents and forms. Several of these documents are legally binding agreements. A For Sale By Owner contract New York must include: 1. The Purchase Price, 2.