Amazon offers the 3M Scotch Heavy-Duty Packaging Tape with Dispenser 6-Pack for $9.88. Check out with Subscribe & Save to drop it to $8.40 and bag free shipping. That's tied with our expired mention from five days ago and about $4 under the price you'd pay at your local store. Each roll contains 800" of 1.88"-width tape.
Be sure to cancel Subscribe & Save once your order ships to avoid being billed for subsequent shipments.