'Surcharge swindle': Are you getting ripped off by payWave?

'Surcharge swindle': Are you getting ripped off by payWave?

Tap-and-go is now a far more common option – but it can cost you anything up to a 5 per cent surcharge depending on where you shop. Photo / Sylvie Whinray

Why do some stores charge a 2, 3 or even 5 per cent surcharge when you tap your card to pay? Some even slap you with a flat fee of 50c or up to $5.