With orders of $25 or more, Amazon offers Prime members the Scotts Snap System Spreader, model no. 77105A, for $6.87 with free shipping. (Non-members can spend $35 to qualify for free shipping.). That's the lowest total price we've seen, and the best deal we could find today by $23. It folds down when not in use and features an edge guard.
Note: This item is part of Amazon's "add-on" program and can only be purchased with orders of $25 or more.