Walmart offers same-day delivery from Sam's Club through Instacart
 

To combat Amazon's two-hour PrimeNow Whole Foods deliveries, Walmart is adding a similar feature for its members-only warehouse chain, Sam's Club. Through a partnership with Instacart, customers can order food and other goods from the bulk outlet and...

https://www.engadget.com/2018/02/27/...rough-instaca/