I also lived through the 1980s, but my grandmother cut my hair until I was a teen, and I can't remember what I paid at Supercuts or if I tipped or not. How man

I also lived through the 1980s, but my grandmother cut my hair until I was a teen, and I can't remember what I paid at Supercuts or if I tipped or not. How many people do you know well enough to know how if they tipped at the barber's? I don't think I knew anyone else's payment practice.