Stockpiling oil may be viewed as an odd habit to some and if you think about it objectively it seem bizzarre to have an oil collection of 90 quarts of oil. However, if you have been to Walmart or to an auto parts store lately we oil stock pilers look like geniuses. I was in Walmart today and M1 EP was $6+ a quart. The regular M1 was almost well over $5+ a quart. No thank you. If I am going to pay this much for oil, I might as well get Redline. I have never been prouder of my oil stock pile. Last year I bought 18 quarts of M1 (12 of the regular and 6 5w-40) for $2.50/quart at Three Stooges Auto (Pep Boys) with my discount coupons.