Honestly, I think “instant withdrawals” are mostly marketing. Some casinos really do process payouts fast, especially with crypto or e-wallets, but there’s usually verification involved first. If your account isn’t verified, it can still take days. I’ve been checking reviews before trusting any site, and this page was pretty interesting https://ca.trustpilot.com/review/instant-withdrawal.org
A lot depends on the payment method and the casino itself. Some are genuinely quick, while others just use the phrase to attract players. I’d definitely recommend starting with small amounts first and testing withdrawals before depositing anything serious.