Originally Posted by Smokescreen
CT has had rotating weekly sales on Pennzoil, QS, Castrol, CT house brand Motomaster, (& occasionally Mobil will join the fun)... for at least 3 years probably longer. Not sure how anyone could've missed it.
Walmart's sales aren't as frequent or for as good of prices.
They've been doing for for a long time, at least a decade. It used to almost always be Castrol and QS on sale the most, but recently (last couple years) has switched to more Pennzoil products on sale more than normal.