Get used to it, at least as long as we have this administration. This is what a trade war looks like.
This has nothing to do with that. The import fee + brokerage fee was always there for higher-priced miners. Best way to deal with it is to have it billed to your FedEx/UPS account. No delays that way.
Tariffs on electronics have increased, so what you pay for importing them is higher than it was. I've been ordering electronics from China for years, and the past month what UPS has charged has increased significantly (in comparison to previous fees, not product price).
Check the fine print on the invoice.
1) UPS is screwing you, or
2) Bitmain put a different HTS code on the customs paperwork.
Trump tariffs don't take effect until July. Affected HTS codes:
https://ustr.gov/sites/default/files/files/Press/Releases/301FRN.pdf