Sears offers the Craftsman 9x11" Sandpaper 50-Pack with Portfolio, model no. 22893, for $9.99. Choose free in-store pickup to dodge the $6.99 shipping charge. That's $10 off and the lowest total price we could find, although it was $2 less three days ago (since expired). It includes 40, 60, 100, 150 and 220 grit sandpaper.