Ok, so I want to start this post by stating two things: 1) I'm sorry if the title is wrong or confusing, english is not my first language and I had trouble making that sentence, if you could correct me I'd appreciate it. 2) I love my mom more than anything in this world, we've had some problems and we're going through a rough situation but I don't blame her at all for this. 3) There's a TLDR at the bottom. 

So my mom and my siblings have been in a pretty rough situation for a couple of months now. My mom lost her job and our father is a crackhead good for nothing, our family doesn't really help us and we've been all alone for a good time, my grandfather (who was the only one that helped us) passed away recently, and left my mom his motorcycle, my mom, not being able to find a job, decided to work for Uber Eats and has done so for a couple of months, it's not like we can live from it because we don't have Wi-Fi or anything like that but she makes it work. God I love that woman.

Now, the problem started about three weeks ago. We got our light and water services cut off, we couldn't even afford food and if we did, we couldn't cook it but, magically, out of nowhere, big buckets of chicken would appear out of nowhere, pizza, tacos, all sorts of food. My brother and little sisters were happy because we haven't been able to eat that delicious food in a long time, so I just let it slip and thought she bought it.

After a week or so of that I asked her where she got that food from and she confessed to me she accepted Uber Eats trips and when she got the food she cancelled them so we could eat something, she said she felt terrible but if she didn't do that we wouldn't be able to eat. I got pretty upset and exploded over this, we got into a big argument and I called her a thief, I went to my room and I could hear her cry.

I told her if the problem was so big I could get a day job and study at night but she said if I do this I won't be able to graduate and to see me do it it's her biggest dream.

I feel really shitty and I don't know if I'm right or what. I know she's just doing what she has to do, but I feel extremely disappointed and embarrassed so, AITA?

TLDR; Family has been in a shitty spot for a few months, my mom has been cancelling Uber Eats trips after getting the food so we can eat something to eat, I exploded and called her a thief. AITA?