Contactless payment methods like PayWave are fast becoming the norm at the counter. But for many, the convenience of waving a card is outweighed by the extra charges -- sometimes 4 percent on top of a bill. The Commerce Commission's starting to regulate the industry and has so far approached 12 organisations that may be surcharging too highly. But a banking expert says a solution to the costly problem may have been in New Zealand the whole time... Reporter Tom Taylor and cameraman Nick Monro have the story. [embed] https://players.brightcove.net/6093072280001/default_default/index.html?videoId=6330497755112