If you’re from NY state they add it on to the bill, at least Amazon did.
I suggest everyone start a financial journal. Just get a large spiral. Write down everything you spend each day, including how much tax you paid. Include mileage and staple the receipts. Then look at it every evening and think about where you can cut back or alternatives to reduce taxes. JAT
When I buy online, I use companies that don’t have brick and mortar in my state. No sales tax.