Amazon has the 1-Gallon (128 Fl Oz) Amazon Brand Happy Belly Peanut Oil for $16.45- 5% off with Subscribe & Save (can cancel at any time) = $15.63 with free shipping on $25+ or with Prime. Has excellent (4.7 out of 5-star) Amazon customer reviews.

• If buying in bulk, this qualifies for 20% off $50 for Prime members. 4 x bottles for $49 after 20%, S&S -> $12.34 per gallon.