When did you start shopping for your baby?

Naquila • 2Angels in heaven Camaiyah T. & Naliyah T 😇 😇 baby Boy 👶🏽 💙on the way with lots of help from God 🙏💕
I am almost 21weeks pregnant and I would like to start shopping for my baby, people say I should wait until i'm 7months is it too early to start shopping for my son?