I think it's a personal choice. According to what I read HAZMAT
shipments will ship slower than a regular ground shipment so if you
aren't concerned about slower shipping times and the possible impact of
that on feedback or customer satisfaction go a...
I am having the same issue right now when I try to print labels one at a
time. I think it's a glitch. I printed labels out last night on similar
orders and they were not hazmat by default.