JOE FRUGAL: Buy 3, Get 1 Free on School Essentials at Amazon

If you didn’t take advantage of the sales tax holiday weekend and still need school supplies, Amazon offers a Buy 3, Get 1 Free deal right now on school supply essentials.

Look through the special section of pens, pencils, scissors, wipes, and health and beauty products, add four or more items to your cart, and you’ll get a discounted deal.

Of course, you have to pay tax now.