The grocery delivery competition is on and it's no surprise that Amazon Prime Pantry is first class even as it evolves. Shipt the new entry into this new market competition hasn't missed a beat. Sadly, Walmart's 2-day Shipping has lost it's total mind... It can't keep food stuffs in stock; It doesn't respond to CSV requests to get stock--It has begun focusing primarily on the new 'Grocery drive thru Pick Up'. This OldLadyInIowa says "Thank goodness for Amazon's consistent dependability, quality & multi functionality--It is setting the bar high for all new comers to grocery delivery market.