Here's a review of a number of online bullion dealers in Canada. Some dealers have retail options but all of them deliver online.
List of Canadian Precious Metal Dealers mentioned in this video:
Canadian PMX - www.canadianpmx.com
Silver Gold Bull - www.silvergoldbull.ca
Toronto Gold Bullion - www.torontogoldbullion.com
AU Bullion - www.aubullion.ca
The Coin Shoppe - www.thecoinshoppe.ca
