Labour has announced it will campaign on a capital gains tax at next year's election. The tax will apply to commercial and residential properties -excluding the family home and farms - the revenue will be used to fund three free doctor visits for all New Zealanders A recent RNZ-Reid Research poll showed more than 42 percent supported a capital gains tax on properties, excluding the family home, with 35% opposed to it. So what is a capital gains tax and if introduced, what could it mean for you? Independent tax advisor Geof Nightingale joins Jesse to help explain it.