Am I being unreasonable?

So I’ve got family staying over this winter my aunt and three cousins all for free. My family is not in the best financial position currently. On top of that I’m in the worst position I’m not making much and I don’t have a car which forces me to take Ubers everywhere most of the time. But it feels like people don’t understand that my brothers are making more than me currently and have cars. I make just a little over 300$ a week and after Ubers is closer to about 150$ and that’s just to get back and forth from work for the week.

It’s winter and my house needs oil my mom isn’t working rn either she asked us all to chip in to put oil im about two weeks ago. Apparently we are all out of oil again some how in two weeks. Now my moms asking for money again I don’t have it I just got done paying my own bills and I busted my ass this week to get a nice little paycheck next week but that’s probably gonna go towards another bill I have to pay immediately to the state for taxes cause my taxes got messed up.

But I’m ranting now we have some family members that have told me to get away from my mother on account if how greedy she is when it comes to money using bills as an excuse. Cause now she’s saying that we have to give money for oil and on top of that pay my aunt for money she gave for oil last week? If she gave you money for oil last week what happened there’s no way we’re running out of oil that fast or if she meant two weeks ago when we ALL chipped in again why tf would I have to pay her back when we all chipped in and on top of that she's staying here free? I’m not paying her back for anything I gave you money am I being crazy? Or selfish or do I make some type of sense here?
Am I being unreasonable?
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