Amazon’s TTM revenue could be bigger than those of Costco Wholesale (NASDAQ: COST) and Kroger by next year.

Amazon.com Inc. (NASDAQ: AMZN) is becoming more and more like other large retailers such as Walmart Store Inc. (NYSE: WMT) and Kroger (NYSE: KR). Like those companies, the Everything Store is planning to put its own fleet of tractor trailers on the road.