Trying to move on but its harddddd

my goal is to move on sometime this year and live with my boyfriend.. my parents are driving me crazy and i wanna stab them.. im 23 years old.. I go to college and work part time... I wanna know is how much should i save ?? im trying to live in an apartment... so that apartment will probably be 600-800$ . Im very new at all this growing up stuff... but im doin in asap because my boyfriend wants to already is 27 years old has 2 jobs and goes to school too. i feel like our lives are alright but it'll be better if we move. What do i need to do to get started???? Thanks❤❤💗💗2017goal.