 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. Stens 824, install only, limit 30. Life hack number seven, get an iPhone 12 on Straight Talk. Life hack. Here's how it works. You walk into Walmart, go to the electronics section, ask for iPhone 12 with 5G and a dual camera system, and select a new Silver Unlimited plan.