Amazon takes $5 more off the price of this Strait-Line Interior Line Laser Level bringing it to $9.95. Even with $5.29 shipping this beats the next-best price we could find by $15. this laser level rotates 360 degrees and has a 120' combined range, so you can use this to mount pictures absolutely level anywhere in your house. It runs on 2 AA batteries (not included), and comes with a 5 year warranty. There is no sales tax (except in KS, KY, ND, NY, and WA).