Best advice I ever got? DO NOT heed them all!!
Seriously, if I do everything everyone told me to do, I would go far beyond crazy!! I don't mean to dismiss all the suggestions (and sometimes, criticisms)...just follow what you feel will work best for you and your baby. Eight months of being a mom is not a lot if you compare it to 30 years of experience my mom had...or to Octomom's expertise with raising her octuplets...or to the knowledge single moms have...you get my point? Each of us is different as our babies are unique. What might work for one parent would not necessarily be a hit with another.
Being new at this, I don't pretend like I know everything...truth is, I know nothing. That's why we need supportive family and friends to help us make the transition from being childless to being a parent. It's just that with all the suggestions on how to do things, it will be overwhelming. Suffocation from information overload.
So, what do I do when someone approaches me and tells me a "better" way to take care of my baby? I listen first. If it's something I feel would help me, I welcome it. There's nothing wrong with giving it a try...if it doesn't work, I let it go. There's no sense brooding over why it works for others and won't work for me.
Listening is the key. When someone's giving out parenting advice, listen. Everyone is just trying to help (or so, they think!)..so be nice. If it's something you've heard before or something you know won't apply to you...try to say something like "Thanks, I've tried that before..but I found out _ _ _ works best for me and my baby". If the advice is totally useless, just smile and say thank you. At the end of the day, just pick out the useful information and throw the rest out.
Bottom line is, you are the parent and you know what's best. We have all heard about "mother's instinct" or "parent's instinct"...you have it. Listen to the inner voice inside you, couple that with good information and I think you're good to go.