Walmart offers the Swingline ClassicCut Lite 12" Desktop Guillotine Trimmer, model no. 9312, for $15.98. (Amazon charges the same for Prime members.) Choose Site-to-Store pickup to dodge the $4.97 shipping fee. That's the lowest price we could find by $5. It can cut up to 10 sheets at once and features a protective guard rail and blade latch hook to lock the blade.