https://www.walmart.com/search?q=mobil1&facet=reward_eligible:Walmart Cash eligible 5-qt Mobil 1 Advanced Clean Full Synthetic Motor Oil (5W-20/0W-20/5W-30) + $4 WM Cash on sale for $33.97. Shipping is free w/ Walmart+ (30-day trial for $1) or on orders of $35+.