Absolutely you can dicker on the commission--although you'll need to carefully weigh realtor fees against what you'll actually receive. In a super competitive market like NYC, you'll need a realtor w/the skills, tools and network to get your maximum exposure to the right buyers and then negotiate and close the best possible deal. A realtor w/o the skills, tools and network will cost you more money in lost time and price than you'd pay the right full-service agent. I would give serious consideration to enlisting a Prudential Douglas Elliman agent for these three hugely important reasons: 1) they have the largest and best trained agents in Manhattan; 2) they do the largest and smartest marketing; and 3) they have the largest client base of sellers AND buyers. Email me at Gerardo.Vazquez@prudentialelliman.com and I'll give you the names and contact info of 3 great agents for you to interview.