How to buy Bitcoin & Crypto online with Interac e-Transfer?

As a crypto enthusiast, I'm always on the lookout for secure and convenient ways to buy Bitcoin and other cryptocurrencies. Could you please elaborate on the process of purchasing Bitcoin and crypto online using Interac e-Transfer? I'm particularly interested in understanding the steps involved, the security measures taken, and any potential limitations or fees I might encounter. Additionally, I'd like to know if this method supports the purchase of multiple cryptocurrencies or if it's specific to Bitcoin only. Lastly, any tips or advice you could offer to ensure a smooth and secure transaction would be greatly appreciated.