valid tracking numbers for all of your shipments has several benefits:
sellercentral-europe.amazon.com
Mail or First Class Mail envelopes (e.g. screen protectors, greeting cards).
In it, it says you will not need to provide tracking for orders that are shipped out as USPS First Class Mail Envelopes, but according to the current
I see it in the headlines on Seller Central.
We send the majority of our orders via USPS First-Class large envelope.
All major carriers including USPS, FedEx, UPS, and DHL provide tracking numbers for
They changed the rule…you now need tracking for anything >$10.00 no matter how it's shipped.
can still be shipped in USPS Standard Mail envelopes or First Class Mail
It has to weigh under 13 oz if you're bringing it to the post office and paying for it.
shipping) that fit in USPS Standard Mail or First Class Mail envelopes