Walmart discounts a selection of range of clearance toys, with prices starting from $2.67. Shipping adds $4.97 or get free shipping on orders of $50 or more. (Some items are available for in-store pickup.) A couple of best bets via pickup:
Walmart offers the Fisher-Price Imaginext Ultra T-Rex, model no. CHG26, for $50 with free shipping. That's the lowest total price we could find by $30, although we saw it for a buck less on Black Friday (which required in-store pickup). It stands 2.5 feet tall and features LED lights, chomping sound effects, and boulder launchers. Four AA batteries are required but not included.