CANADA. Ungating- What canadian store will provide you with an invoice

I’m located in ontario and I know target is a popular place to get invoices. I have two products that I know will ungate grocery for me. The only trouble is I’m finding it hard to find a grocery store that will provide me an invoice.

Any canadian sellers know of places that I can get them? I would prefer a store so I could return the item.

If someone could throw some suggestions as well as provide the process of getting the invoice that would be great!

If i can’t find anything my next step is to drive to the states to a target