FedEx One Rate

Significant Savings on small shipments:  if you are sending small items such as cellphones to our consolidation facility in Michigan, we suggest that you consider using the FedEx One Rate Service. 

The service requires that you use FedEx packaging available at any one of more than 3000  FedEx Office locations throughout the USA.  
http://www.fedex.com/locate/

Rates:  the rates start at $7.50 per shipment.    If we have to book the same shipment as a FedEx pickup  rather than a dropoff, the cost for a single 1 lb shipment can be as much $25.00 - $35.00 USD.   https://www.fedex.com/us/onerate/