The service is very affordable. Your mailing pieces will be delivered to businesses and residences for a flat rate of $0.176 apiece.
Use a Mapping Tool to Estimate Cost
To get an idea how the system works, go to a USPS-affiliate website. They feature easy-to-use mapping tools.
Use the tool to indicate the zip code of your locality, and the best possible carrier route for the person who will be sent to deliver your mail to your target customers.