The balance is shifting in Canada's housing market, with realtors in most major markets saying home sales are slowing from Vancouver to Toronto. For home sellers who missed the signs, the slowdown can come as a surprise. “After a few years of a crazy market, it's definitely been a shock for sellers,” real estate broker Lorna Willis said. “Primarily what's changed is the amount of time that it's taking to sell a home." Nivrita Ganguly reports.