Amazon offers the 3M Scotch Heavy-Duty Packaging Tape with Dispenser 6-Pack for $9.60. Check out via Subscribe & Save to cut it to $8.16$8.23 and bag free shipping. That's tied with our January mention and $2 under what you'd pay in-store locally. Each roll contains 800" of 1.88"-width tape.
Note: Be sure to cancel Subscribe & Save once your order ships to avoid being billed for subsequent shipments.