What guarantee does FedEx get?
A the last place I was at Azure would either be too slow or you had to wait an age.
Not all the time but enough to be a pain.
1322 publicly visible posts • joined 21 Dec 2009
And if the programming voltage was too high above 12V charge got stuck so you couldn't erase the device.
The cure for that was to put the devices on a baking tray in an oven at 200C for an hour.
I had to do this for a few hundred because the 12V in my programmer was
*Cue Monty Python "Aye, we had it hard" sketch*