What is the fastest way to get a letter sent?

Okay, so, fastest way to send a letter? Seriously, if it has to get there yesterday, Priority Mail Express, hands down. I've used it – like, when I totally forgot my sister's birthday (don't judge!) and needed to send a gift card super fast. It was there the next day! It was amazing. Saved my butt, let me tell you. It is more expensive, yeah, but think about it... that panicked feeling, constantly checking the tracking, wondering if it'll get there in time? Ugh, no thanks. That alone is worth the extra few bucks. Isn't it? I mean, who needs that stress? For important stuff, or just, you know, when you really need it to get there fast, it's a lifesaver. Honestly, the peace of mind is priceless. I’ve heard some people say they use couriers for really urgent things, but for me, Express Mail is perfect. It gets the job done.