“Don’t be that mom”

I am a FTM, my baby isn’t even here yet I still have 2 weeks. I can not tell you how many times people have told me “don’t be that mom who..” and then says something to finish the sentence. HOW ANNOYING!!! I get people trying to help out and give advice, but HONESTLY I’m gonna be whatever kind of mom I want to be. My age does not help, I will be 19 in April.. but some of my family are the bossy/judgmental/always right kind of people. If it’s not their idea then it’s wrong. I said something about a bottle cleaner and I got told I was being a foo foo mom! Like what!? That if I’m too clean with my baby she won’t be used to dirt and I’ll be in and out of drs office. I mean I understand some things but other times it’s like

Does anyone else have this problem!? If so how do you react and get people off your back? Because I know when my daughter gets here it’s gonna be worse and I’ll be “holding her wrong or burping her wrong” literally anything someone can come up with to criticize they will say it!