Walmart+ members only. Walmart has the 497-Piece LEGO City Ocean Exploration Base (60265, 2020 release) for $64 with free shipping + $16 in Walmart+ Rewards (click checkbox under Add to Cart button). 

Walmart+ Rewards is a digital gift card that you apply to your next Walmart order. There are 49 other LEGO sets included in this promotion with rewards up to $26.