If you can afford not to work, or work only part-time, then that would definitely be much easier on you. I absolutely know how it feels to work full-time and go to school full-time for pre-reqs, I did it last semester. I worked night shift full-time, and then drove straight to school in the morning, stayed half the day at school, came home and slept, woke up and studied a bit, and then went back to work. Only other time I had for studying was on the weekends, which took away from time I had to spend with my boyfriend and other friends. And it sucked, more so in regards to my friends than my boyfriend, because he was also in school full-time, so he understood what it meant to have to study and put academics first. Friends got tired of hearing "sorry, I can't make it tonight, I have homework". Only two of my friends, one already in nursing school and the other already a nurse, truly understood it and even encouraged me to NOT spend the weekends "hanging out" with them, but rather sit at home and make sure my work was done.
This semester I'm taking an even larger full-time load (21 credit hours/6 classes) to finish off the last of my pre-reqs and co-reqs, and I'm applying for my program this semester for fall admission. So for that reason, I quit my job completely to focus on making sure I get the grades I need to make it into my program. It's difficult trying to juggle life, job, school, family and everything else all at once. But keep your head up and know this is only temporary. You are making a sacrifice now in order to give yourself a brighter future and that is HUGE. Never lose sight of why you started this journey, and know with hard work and determination, it will pay off in the end.