Can someone educate me lol

Samantha • Aquarious. 21. Add me on insta samanthanicole.smith

Bottles feeding. I need to know everything there is to know. From do you HAVE to sterilize, what makes glass bottles different from plastic? Do you have to wash them after each use? Bottle warmer a pro or no? And do you use the warmer for glass or plastic? How do you know if a bottles warm enough or too hot any better nipples than others? things I should know? EVERYTHING bottle related I needs to know lol