I used to run treasury and FX for a mid-market importer in Calgary, which is a long way of saying I spent my days watching two and a half percent disappear on conversions nobody had budgeted for. That habit did not leave me when I started writing about casinos.
Most guides to Canadian casino banking stop at whether a site takes Interac. That is the easy half. The half that costs you money is what currency your account is actually denominated in, because if you send Canadian dollars into a euro wallet you pay a spread on the way in and again on the way out, and no cashier screen will ever show you that as a line item. The other half is your own bank: your daily and weekly e-Transfer limits are set by your bank and your account tier, not by the casino, and they are the reason a deposit fails for no visible reason.
So I check the currency, I check the limits, and I do the arithmetic. Where a bonus is not worth what it appears to be worth once you account for the rollover and the conversion, I say so — including on sites I otherwise rate highly.
Interac e-Transfer, foreign exchange spreads, Canadian bank transfer limits, wagering requirements, casino cashier operations.