My last purchase was an envelope in an envelope both with my address. One had the USPS printed stamp out of NYC. I assume my orEr was palletized. Then container shipped to NYC.
That and aliexpress has cracked a nut that eBay hasn’t even figured out: consolidating shipments from different sellers in one package to minimize last mile delivery costs.
Some of these “bag in a bag” deals might be consolidation “misses”
My child has learned that when a package says “JFK” on the return address to shout “more fun stuff from China!”
But yeah, that’s what they do for a lot of shipments. Repackage and mail them from New York. Occasionally get something from Memphis, which I assume means they packed it into FedEx to start.
Some of these “bag in a bag” deals might be consolidation “misses”