Here comes the freight train for all the US musicians on the tracks. This is an example of how a $399 drum machine will cost $977 in the US.

https://sonicware.jp/pages/cydrums

Important Notice for USA Customers
Due to new U.S. customs regulations, a 145% duty will apply to China-made products, including this item. This $399 item will incur over $578 in additional import charges starting next month.
We recommend ordering within this month to avoid the new duties.