Walmart offers the LEGO Movie The Flying Flusher Set, model no. 70811, for $20.99. Opt for in-store pickup to avoid the $4.97 shipping fee. That's $2 under our mention from last month, $9 off list, and the best price we could find, outside of the price below. It includes Plumber Joe, Alfie the Apprentice, and Dr. McScrubs minifigures.
A close price: LEGO Shop at Home offers it for $17.98 plus $4.95 for shipping.