Amazon’s 7 and 8-inch Fire tablets aren’t exactly what we’d call powerhouses, standing out primarily with crazy low prices. For 24 hours only, the “all-new” Fire HD 8 is even cheaper than usual, believe it or not, scoring a cool $30 discount with your choice of 16 or 32 gigs of internal storage space.

You can also choose to embrace “special offers” or not, which are basically nonintrusive ads displayed on your lock screen from time to time. Either way, you’ll take 30 bucks off the list price of the recently refreshed Fire HD 8 slate, representing a massive 38 percent of the entry-level ...