While USPS typically offers the cheapest options, UPS and FedEx prices are competitive. All three carriers offer flat-rate shipping options. USPS cannot ship packages weighing more than 70 pounds.

USPS is increasing rates in parcel delivery services, effective this week. Here's what to know about the cost to ship your packages.

UPS said it had since won back about 60% of that business and expected modest growth to start to return this year, with average daily volumes flat or up ... about how shipping would be affected ...