The deal cleared two big regulatory approvals this week, and is set to close Monday.
Meanwhile, many traditional brick-and-mortar stores are scrambling. There are no other United States antitrust approvals needed.
Whole Foods has also been working to diversify its offerings.
President Donald Trump heightened the stakes for the merger review after repeatedly criticizing Amazon and its Chief Executive Officer Jeff Bezos. In the past, Trump repeatedly criticized Amazon.
Because of Amazon's digital roots, there's a new paradigm here for retail that hasn't been fully explored in the marketplace. German discount grocers like Lidl and Aldi are expanding in the USA and Wal-Mart Stores Inc. has been investing in more discounts too. Trump wrote in a tweet.
Majority of Americans think having neo-Nazi views is unacceptable, poll finds
Perhaps most notable is the gender gap in Trump's overall approval rating, 46 percent among men vs. 28 percent among women. Asked if the USA president equated white supremacists with counter-protesters, 42% said he did, while 23% said he did not.
"I'm guessing [Amazon] didn't buy Whole Foods to be a natural organic grocer", Schlotman said, alluding to the rumors that were circulating then about Amazon planning job cuts and price reductions at Whole Foods.
It's important to note that approvals don't necessarily have to do with the size of the companies involved, explained Erik Gordon, a professor at the University of MI.
This proven stock-picking system is grounded on a single big idea that can be fortune shaping and life changing. And the Federal Trade Commission said in a brief statement that it had looked into competition concerns and would not block the deal. A Morgan Stanley survey earlier this month found that Whole Foods prices were down slightly from a year ago, but that they still averaged roughly 15% higher than regional supermarkets.
The FTC said in its statement that it "always has the ability to investigate anticompetitive conduct should such action be warranted".
"This is already trending in the U.S., as we are seeing with large supermarkets Kroger and Aldi teaming up with Instacart [an online grocery company] to offer home delivery services".