on purchases of $34.99 or more and
Free Standard Shipping on purchases of $34.99 or more applies in the U.S. only. Free Returns in the U.S. and Canada. Large, oversized items and products delivered by special or white glove carriers are not eligible for free shipping or free returns. Free returns are not applicable to final sale/non-returnable items. As always, check the deal's Fine Print for restrictions.
I find it is better for processed frozen food type stuffs, which is ok because I do eat a lot of those type things, veggie burgers, frozen fries etc...but for real food, like sweet potato fries, not so much...