Breastfeeding

Kelsey • Kelsey ! Birthday ; Nov 07, 95. My Sophia Mae princess is due 12/16/16 💞🌸 married to the best man! 02/20/13& 7/02/16
Couple questions here ladies!! 😃 
I am going to be breast feeding, 
What are some dos and fonts on foods and drinks. 
I was told you have to be very careful? Correct or incorrect?
And is it okay to pump milk in several bottles or no? And should you freeze them?