UPS has contracted with the Post Office to complete some deliveries. If I ask for my package to be sent UPS I want it to arrive that way!
I don't want to got pick it up and wait in a long line at the Post Office. It also probably has my residential address on it which the Post Office will claim is undeliverable because it doesn't have my box number on it! This is a cost saving method of delivery offered to the shipper it doesn't help me at all.
It usually causes me to become Sherlock Holmes and track my package down. The Post Office is also very unhelpful in resolving issues!
Monetary Loss: $200.