$75 Robotoolz lazer Seattle area

It's on Craig's List.  This is the same model I use, and this guys price seems pretty good.  Looks like it doesn't come with a tripod (that's ok, you're better off to buy a big (read: tall) Bogen photography tripod with a pan head.  Get an adapter for the lazer to a 1/4" x 20 thread.  Make your own story pole from a 3/16" x 2" x 96" piece of aluminum, and buy some framing square trammels.  Boom, you're in business for about $125, and much better than the factory tripod and story pole.   BTW...the big (used) Bogen will reach to 8', and with an extension pole (1 1/4" EMT conduit, 1/4" x 20 bolt, and 1/4" x 20 long nut & some JB weld) you can safely go up to 12' tall.  Buy a twin step (the singles are too flimsy and will bend) fiberglass 6' step ladder.  They are about $85 new, but check Craig's list...you never know what you'll find there.

G'pa 

http://seattle.craigslist.org/tac/tls/1815252573.html