Relatively speaking, that actually isn't that bad of a price. Figure $17,000 for a skimmer that can handle 6,600 gals, or $8,500 per 3,300g, or $4,250 per 1650g, or $2,125 per 825g, or $1,062.50 per 412g, or $531.25 per 206g, or $266 per 103g.
Man...this skimmer is actually cheap! LOL