https://www.amazon.com/Gorilla-60…Bpack&th=1
Single rolls are currently $8.47. Lowest price on single roll was $6.99 back in 2014. This 5-pack equates to $3.86/roll.
Free Shipping. No sales tax, at least for me in Illinois. Seller shows as JLW Sales. 4.5 stars out of 1478 ratings.