The US recipient is an actor who may be charging a 100$ charge to procure, check, test and then rebox and ship a product to any potential purchaser as the purchaser cannot procure these goods any other way.
As the goods have been opened and inspected and potentially even worn/tested and will be without any warranty the value of them will be significantly less than if they were brand new.
Test me.
You are waaaay overthinking this.
You’re wasted on here, you could be earning minimum wage writing scripts for dismal U.K. TV crime shows.