According to recent job listings, Amazon's long-term goal is to offer global same-day delivery services.
Best Buy recently announced that it would be providing free two-day shipping on thousands of its online items.
Amazon is currently using more than 15,000 robots in 10 different warehouses to help with the manual lifting and transporting of goods.
The U.S. Postal Service has been preparing its systems for months in anticipation of the upcoming holiday season.
Retailers across the nation are looking for ways to reduce shipping costs and time in order to attract more holiday customers.