I just bought my oil at Wallmart. It was $24 and change for a 5 quart jug. The current Mobil 1 rebate is $10.00 for 5 quarts. That works out to about $3.00 a quart. Tough to beat that price!I usually purchase it at Costcwhen it's on sale. I wonder how the rebate final cost would compare to Costco's sale price.
Costco also has their own store brand full synthetic. I may start buying that after I use up all the oil I've currently got on the shelf. The price on the store brand stuff is amazingly low.