New Blade hulls are about $3,200 each, or $6,400 for a set.
I guess if I could build a mast, tramp, sails, blocks, lines, etc. it might be cheaper to buy the hulls and build the rest, but I can't.
Given that most of us cannot realistically build anything but the hulls, I think that is where you -might- save money. I chose to buy mine as time was off the essence.