. . "I am sales rep for a building materials/lumberyard....I have joined this forum to get a better feel for the other side of the biz...as for lumber prices...as you all know lumber is a commodity just like oil, sugar natural gas etc....prices change literally daily...my firm provides all our larger builders (25,000.00 per month or more ) with weekly price sheets 2x material, sheet goods etc ..every M" . .