Amazon offers Prime members the Swingline ClassicCut Lite Paper Trimmer
, model no. 9312 for $18.49
with free shipping
. (Non-members can spend $49 or more to qualify for free shipping; otherwise, shipping costs $8.09.) That's the lowest total price we could find by $6. It features a 10-sheet capacity, 12" cutting blade, protective guard rail, and blade latch hook.