Orders shipped via courier , FEDEX, UPS etc.. will use the same process as before, that is, you will be contacted by the courier company for payment of duties.
Orders shipped by post to the USA will have duties paid before shipping. Subject to the below we will contact you with a payment link which will need to be paid before your order is processed.
Items made in the USA such as Callaham, Lollar, Lindy Fralin, Luxe will zero rated
Good question, this is a constantly moving target but currently 10%