Tue: 20% off at Monoprice without minimum purchase

A surprise coupon is running at Monoprice until Tuesday at 11:59pm pacific time! Coupon code MAY22 gets you 20% off almost everything at the Monoprice website. There are restrictions and such but you can test the coupon and get a shipping estimate without creating an account or logging in. Simply add the items of interest in the shopping cart and enter the coupon and see what happens. You can only have one coupon in the shopping cart, so make sure you delete any previous coupon in order to see the effects of the new coupon.