Overcharged for my 1-3 day delivery method ($165USD) whilst sending my package via a lower method of 3-5 days that by research (using a bumped up weight and package size) on the USPS website should have only cost them around $65~. When I asked for a refund on the difference, as the service paid for (a chance to receive my package in 1-3 days) was not provided - they refused and claimed that if I get it in 3 I can't complain about it. So basically providing the bare minimum of service, in order to make a cheeky dollar (or a cheeky extra $100USD) off their customers.