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Amazon [amazon.com] has 9-Pack 284-Sheets Cottonelle Ultra Clean Mega Rolls Toilet Paper 2 for $20 – $5 (multibuy discount) – 5% when you check out via Subscribe & Save = $14.
Shipping is free with Prime or on $35+ orders.

Price
$7.98 lower (36% savings) than the list price of $21.98
$1.94 lower (12% savings) than the previous price of $15.94