Target has Charmin Ultra Strong Toilet Paper – Mega Plus Rolls on clearance.
https://www.target.com/p/charmin-…A-53402356
18 mega plus rolls = 82 regular rolls = $17.42 (price shows in cart)
Save an extra 5% and get free shipping with a Target REDcard ($16.55).
8 mega plus rolls = 36 regular rolls = $8.92 (price shows in cart)
Ships with $25+ orders, save an extra 5% with a Target REDcard ($8.47).
Another option, thanks to Juggaman:
2 x 20 mega plus rolls = 160 regular rolls = $39.98 plus get a $10 gift card with store pickup/restock.
https://www.target.com/p/charmin-…A-75665853