You need a realtor to help you make sure that you're getting a good deal and getting ripped off by a seller that is asking for more money then he should.
You have to understand that in this market people are greedy and you can be a victim unless you hire a professional to help you.
You don't have to pay any fee to a realtor to help you, the seller needs to pay.
Let me give you the source that all real estate agents use to look at properties that are on the market.
Click the link below, its 100% free for you to use.