If I understand that correctly, one of the private carriers should be offering to deliver letters at ~$1.10 per ($0.55 to USPS plus $0.55 internal cost). The cl

If I understand that correctly, one of the private carriers should be offering to deliver letters at ~$1.10 per ($0.55 to USPS plus $0.55 internal cost). The closest I've seen is closer to $10. The USPS tithe isn't the bottleneck, but it would definitely make sense to unwind once a private carrier could break the $2/letter barrier.