FedEx Introduces Flat Rate Shipping

Wonder how this will stack up against USPS for shipping pennies? I looked online for pricing tables, box sizes and weight limits but could not find any details.
Base Metal & Precious Metals Forum
https://www.realcent.org/
highroller4321 wrote:Portland was a "test" site last year. The biggest problem I had was they wouldn't let you have the boxes. You had to bring your stuff to their facility and then pack it on site. Also I believe the weight limit was 45lbs.