Back to School HUGE stock up deal for Charmin Toilet Paper at Staples starting Sunday 9/8!!! September 7, 2013 / ***Staples Scenario*** (starting 9/8) Charmin Basic Bath Tissues 16 double rolls, $6.99 Use $1/1 Charmin Bath Tissues 16 double rolls+ 9/1 PG insert Final Cost: $5.99 ($0.37 per double roll!)