As one of its daily deals, Best Buy offers the Insignia 6-Sheet Crosscut Countertop Mail Shredder, model no. NS-PSJMCC, for $19.99. Opt for in-store pickup to dodge the $3.99 shipping fee. That's $15 off and the lowest price we could find. It features a 4.7" paper entry slot and shreds up to six sheets at once. Deal ends today.