Storing breast milk?

Monica • One happy mamma! 😍 💙👶🏼
So my baby is 26 days old and I'm pumping and formula. I don't have very much stored. So I bought some storage bags last night. So my question is, do you pump and freeze or just pump for the next day? My first thought was to pump and freeze but my baby dosent get very much breast milk in a day and I want him having more. What do you ladies who pump do? How much can you pump in a day?