Question: how much does it cost to send a first class letter with tracking?
Answer: First-Class Mail® service is an affordable and easy way to send envelopes and lightweight packages. First-Class Mail Forever® stamps cost $0.55 (the current 1 oz price) and will never expire, even if the First-Class™ postage rate goes up. For packages (up to 13 oz), prices start at $3.80.