YMMV - (must have Amex offer, and use the google express app)
Google Home for $79 stacked with:
Save 20% when using the google express app with code APPANDSAVE20
Get $25 Credit when you link your Walmart Account
Plus $20 Credit - Amex Offer for Google Express Spend $50+ Get $20
Google home net price (including credits) - $18.20
Walmart Credit details:
Google Home must be activated between October 4, 2017 and January 15, 2018 to qualify.
Coupon expires January 31, 2018.
Coupon will be automatically issued after linking account to Walmart.com (via Google home app)
Valid only for Walmart orders on Google Express.
Only two coupons total per household.