We set up a savings account for our little boy & people can put money into it rather than buying millions more clothes ☺️

You politely state she has everything she needs but if they would still like to give her a gift. They can give her a gift of education n have a education fund set up for her that people can contribute to. Most banks do this. It's great

Yea I agree. Accept the gifts then return them or regift. My friends and cousins all had babies within a 5 year period, then you have gifts on hand

Say thank you/ write thank you notes. Return items you don't need for store credit. Big stores like Walmart and target are very helpful... they can scan items and see if they were purchased there. Just show your id and you get a gift card. I've returned so much stuff. When people ask what I need now I ask for grocery gift card.

I'd just accept and start trading things for store credit...

I would say something along the lines of you are so grateful for everyone's generosity but baby is overwhelmed with gifts and you're running out of room, and something corny like don't forget baby will have plenty of birthdays and holidays for gift giving