LEGO Architecture Buckingham Palace is on rollback at $28.99. Lowest price per CCC. Free in-store pickup, or free shipping if you pad your order to over $35.
https://www.walmart.com/ip/LEGO-A…d=51720836
Also, other sets on sale:
LEGO Architecture Chicago 21033 – $24.99
https://www.walmart.com/ip/LEGO-A…3/55126193
LEGO Creator Expert Tower Bridge 10214 – $179.99
https://www.walmart.com/ip/Lego-c…4/23763794