Advance auto is running a sale buy 6 quarts Penn. Plat. get 15$ mail in rebate. so WITH tax it was 14.92 for 6 quarts.. I now have 24quart stash... wow I have joined the ranks of the oil hoarders... just fyi its limit 1 offer Per Address... This is true for the ohio advance auto not sure about elsewhere Rand Note: I wasnt sure if this was the right place for this topic.. if it should be in another place please move it.