How many milk bottles kaya dapat kong bilhin for her first 3mos?

Hello. Soon to be momsh here. How many milk bottles po ang need ko sa first 3mos ni baby? Since bumili ako ng Hegen Starter Store Express Kit. It has 2 80z and 2 5oz bottles po. And the teat, 2 lang po ang included na Slow Flow teat. Do I need to buy the Extra Slow Flow Teat? Thanks. #1stimemom #advicepls #firstbaby #pregnancy