buying a house without an agent

Is it possible to save money on buying a house if you do not use a
real estate agent? If the usual 6% commission is split equally between
the buying and selling agent, and it comes from the pocket of the
seller, the seller should be willing to sell to me at a 3% lower price
if he only needs to a 3% commission to his agent. Or does the full 6%
go to the selling agent if the buyer has no agent?

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