Extremely emotional and I don’t know why

I have this overwhelming feeling that labor is near and I cannot stop crying because I feel like I’m not ready at all. I have nothing packed and no newborn size clothes and we don’t get paid until Friday and I’m getting really scared that I won’t make it until then. I also need new car seats and can’t afford those until taxes come back and it feels like they’ll never get here. I have car seats but they won’t fit in the car with the baby’s new seat. I’m crying constantly and I’m easily angered. I feel crazy and hormonal. I haven’t been like this at all until the last few days. I just feel like labor is coming soon and baby is dropping so low today that even my butt cheeks are sore. Anyone else this emotional at the end of pregnancy?