 Save big on back-to-school with Staples Hot Deals. Right now, 24-pack Crayola crayons and comp books are only 50 cents each at Staples. Spend $8.24, install only, limit 30. You know, a beach trip turned breakdown is a drag. Summer can really take a toll on your car with broken AC, overheating, electrical issues, you name it. An AC compressor can cost over $900.