When is everyone starting to buy items?

Sonya • 🤍💜 Mom of 4 girls 🤍💜

I'm almost 13 weeks (I know the gender) I wanted to start now with clothes/diapers and maybe saving the bigger item purchises such as car seat/bassinet untill 20+ weeks? 🤔 I don't have anything.. Just curious as to what other moms are doing