Cheapest bulk food stores?
There's a store on Commercial Drive, between 1st Ave and Broadway, I recall buying cheap bulk foods from years ago. Forget name. Maybe it was Dollar Foods.
A couple of stores in Little India (Main St, 49th to 51st Ave) that sells cheap bulk ingredients. But may not have exactly what you need for Christmas baking.
Dan-D Pak on W. Broadway @ Stephens or Trafalgar.
Weigh To Go on W. 41st, just east of Dunbar. Not as cheap, but has a good wide selection.
15081 Marine Dr, White Rock, BC V4B1C5, CA