Walmart offers the Graco Lauren 4-in-1 Convertible Crib in White for $123. Opt for in-store pickup to cut it to $91.83. That's the lowest price we could find by $23, outside of the mention below. It converts to a toddler bed, daybed, and full-size headboard.

A close price: Amazon has it for $93.70 with free shipping.

Update: Amazon is now matching the price.