Walmart has the Super Tech High-Mileage 5W-30 conventional motor oil for $8.16 per jug
http://www.walmart.com/ip/Super-Tech-High-Mileage-5W30-Motor-Oil-5-qt/17134875
regular 5W-20 jug for $10.56
http://www.walmart.com/ip/Pennzoil-SuperTech-5W20-Motor-Oil-5-Quart/16565451
conventional 10W-30 for $2.04 per 1 quart bottle.
http://www.walmart.com/ip/SuperTech-10W30-Motor-Oil-1-Quart/16597988
High-Mileage 5-qt jug for $10.65
http://www.walmart.com/ip/SuperTech-High-Mileage-10W30-Motor-Oil-5-Quart/16474423
High Mileage 10W40 for $10.80.
http://www.walmart.com/ip/Pennzoil-SuperTech-High-Mileage-10W40-Motor-Oil-5-Quart/16474424
SuperTech Full Synthetic 10W-30 for $12.63
http://www.walmart.com/ip/Pennzoil-SuperTech-Full-Synthetic-10W30-Motor-Oil-5-Quart/16474422
http://www.walmart.com/ip/Super-Tech-High-Mileage-5W30-Motor-Oil-5-qt/17134875
regular 5W-20 jug for $10.56
http://www.walmart.com/ip/Pennzoil-SuperTech-5W20-Motor-Oil-5-Quart/16565451
conventional 10W-30 for $2.04 per 1 quart bottle.
http://www.walmart.com/ip/SuperTech-10W30-Motor-Oil-1-Quart/16597988
High-Mileage 5-qt jug for $10.65
http://www.walmart.com/ip/SuperTech-High-Mileage-10W30-Motor-Oil-5-Quart/16474423
High Mileage 10W40 for $10.80.
http://www.walmart.com/ip/Pennzoil-SuperTech-High-Mileage-10W40-Motor-Oil-5-Quart/16474424
SuperTech Full Synthetic 10W-30 for $12.63
http://www.walmart.com/ip/Pennzoil-SuperTech-Full-Synthetic-10W30-Motor-Oil-5-Quart/16474422