I found that many of the RV dealers in this area use Coast
as their distributor, or one of them. That means they can get (they say in one or two working days) anything in the Coast catalog that the Coast warehouse has in stock. Since the catalog is on-line at Go-RV.com
, and that catalog is quite extensive, you can find what you need then check with the dealers to see who has it in stock, or how long it will take to get. At Go-RV, you need to pick a dealer before you can see the catalog, and then it will give you pricing as charged by that dealer for ordered items (in-store stock may be differently priced).
I recently picked up a set of Lynx leveller blocks (10-pack); they were available at Canadian Tire, but at a staggering $80; they're in the Coast catalog and shown at a slightly more reasonable $65 for my dealers, and were in stock with at least two of them.