Walmart offers the Dorel Twin-Over-Twin Bunk Bed in Silver, model no. 5417096, for $159 with free shipping. (Amazon offers it for the same price.) That's the lowest total price we could find by $35. This 78" x 63" x 41" bunk bed features a metal frame, secured ladder, and safety rails.
Walmart discounts over 460 baby, toddler, and kids' items as part its Kids' Event, with prices starting at $7.50. That's tied with our mention from last week as the best sale on such a selection of items since October, putting many items at the lowest price we could find. Shipping starts at $4.97, or choose free Site-to-Store on many items. (Most items also qualify for free shipping with orders of $45 or more.) A couple best bets, both with free shipping: