(Expired) Amazon / Walmart has 808-Pc LEGO Speed Champions Mercedes AMG G 63 & AMG SL 63 Set (76924) for $28.30. Shipping is free with Prime or Walmart+.
(Expired) vipoutlet via eBay has LEGO 76925 Speed Champions Aston Martin Safety Car & AMR23 Racing Car Toy for $19 - 8% w/promo code "VIPJUNETAKE8" = $17.48. Shipping is free. [amazon]