In Czech Republic, I think the price is usually around 500 CZK (~25 USD).

You can get one of the really cheap ones for 100-200 CZK (~8-10 USD) but I've only used one of these once.

I never tipped a hairdresser in my life, I don't think it's really customary here in Czech Republic. Last time I went to hairdresser I overheard previous customer trying to tip them but they said it can't be done (he was paying by card) and that it's OK.

This US culture of tipping everyone everywhere is strange to me; I never visited US but I imagine this would feel just so awkward to me. In Czech Rep. the tipping culture has been almost exclusively restricted to restaurants where waiter is actively serving you, ie. not fast-foods where you buy your food at the counter, wait for it, bring it to your table, clean up after yourself (if you have some self-respect, that is), etc. <rant>Recently Forky's in Brno has been asking for tips on payment terminal -- far earlier than you can even see your food -- which I find just rude and it caused me to basically stop going there.</rant>