“A few things I have ordered online have been shipped by DHL’s economy method, in which they handed off the parcel to the USPS at my city. It didn’t get here any faster or cheaper than if USPS had done the whole thing, so I wondered what the point was.”
I’ll bet the retailer has special pricing with DHL, but charges you the same.
Makes sense. I know that the bulk rates for other shippers such as UPS are much lower than consumer rates.