As one of its daily deals, Best Buy offers the Dynex Countertop 6-Sheet Crosscut Mail Shredder, model no. DX-PSJMCC, for $19.99 with free shipping. That's $10 off list and the best deal we've seen since June, when it was $4 less. It features a 4.7" paper entry slot and shreds up to six sheets at once. Deal ends today.