Most recent package (250x250x180mm, about 5Kg) from Germany via DHL economy no insurance cost about $70 USD. Deliver time, about three weeks.

Most recent package (180x180x100mm, 2Kg) from Japan via Fed Ex air no insurance, three working days to deliver. Cost $50 USD.

Insurance or not, shippers have a tendency to bust packages. Better to pack the item to account for this abuse or destruction proof the item much as reasonable as Murphy will always have it's way.

USPS domestic rates including stamps are going up. Cost of fuel and more all figure into this.

Another reality to consider, inflation:
https://www.usinflationcalculator.com/


Bernice