I used to be paranoid about Online shopping. I was so afraid that i made my friend use his credit card to buy something and deliver it to his home, then i gave him cash and got the thing. This was 5 years ago.
Now, i shop almost every other day. I bought razors, toothpaste, face wash, t shirt, soap, wireless mouse, all in this month of March.
You are aware enough not to be trapped into some phishing scam, you took the pain of asking in a tech forum, i'll assume you know well enough how the internet works. Dont be afraid. Rather, the only thing that has been concerning me is that i am somewhat getting addicted to shooping online