Just want to chime in my thanks for offering this option.
I online shop a lot and USPS has actually been reliable 100% of the time (knock on wood). In fact, I just received a parcel today that was...

After tracking UPS impatiently over the past two days, I had to go to work today.
Got home and no parcel on my front porch, which seemed odd as I was sure it would have been delivered.
Not inside...

Ahhhhh - so near and yet so far.
The package is in the same city as I am but not out for delivery yet.
Don't think it will get here today :(

I'm excited to say I made my first TB order (the new Aubergine Aeronaut) and am now tracking UPS....
It's in Louisville - still a long way to go before it gets to Melbourne, Australia!