Walmart cuts up to 60% off a selection of rollback men's, women's, and kids' bicycles, with prices starting from $79. Plus, most orders receive free shipping; otherwise, choose in-store pickup. (Oversized bikes may incur additional handling charges). A couple of best bets, each with free shipping:
Walmart offers the Huffy Women's 26" Trail Runner Mountain Bike, model no. 56874P7, for $99 with free shipping. That's tied with our July mention and the lowest total price we could find by $29. It features 18 speeds, Shimano rear derailleur, front and rear brakes, and 120mm steel stem.