https://knowt.com/note/629fee52-601c-49e3-a570-47dc5b9ac481/Cheap-Deals-What-is-the-Cheapest-Day-t youmobs 4 weeks ago https://knowt.com/note/629fee52-601c-49e3-a570-47dc5b9ac481/Cheap-Deals-What-is-the-Cheapest-Day-t