Staples offers the Casa Desktop Junk Mail Shredder
, model no. SES-C1000DT, for $19.59
. Plus, Staples Rewards members bag free shipping
. (Not a member? It's free to sign up
.) That's the lowest total price we could find by $50. It can shred credit cards, CDs/DVDs, staples, and up to 10 sheets of paper at a time.