NO sales tax charged by buds but you may owe sales tax to your state. I have been told that some ffl holders at collecting the state sales taxes In NC you are supposed to claim and pay taxes on internet sales when you do your income taxes

No sales tax unless you live or opt to pickup your firearm at a Buds store. Kentucky's sales and use tax rate is six percent (6%).

Sales tax only charged to Kentucky residents

Zero tax unless you live in Kentucky. Otherwise zero tax for online purchases. No hidden fees.