"Amazon.com Inc.’s proposed use of drones could drive down the cost to deliver small packages crosstown to about $1 (a fraction of existing same-day delivery options, according to a study by a financial research company)."
The report from New York-based ARK Invest also suggests deliveries may arrive in as soon as 30 minutes.
The research tried to quantify the savings from the use of drones compared with delivery trucks and couriers.
Amazon has pushed the U.S. government for permission to test unmanned aircraft as it seeks to develop drones to speed shipping products.
Amazon charges $7.99 for one-hour delivery of shampoo, paper towels and thousands of other products in some cities, including New York, Baltimore, Miami and Dallas.
Read more: The Federal Aviation Administration gave the Seattle-based online retailer a waiver allowing flights as fast as 100 miles