I agree my mother lives with me and she really made a lot of sacrifices for me to go through school. I am letting her stay at my house as long as she needs, since I'm only there sporadically anyway. Though I think we really can't judge OP's relationship with their mother, they might be dealing with fml worthy issues.

It sucks because she just got her own place, and space, and now she has to share and accommodate it again. How can you not understand that? I love my family, but I would not want to live with them again. In my own place I can do what I want, I'm not questioned, and I have my own space and I don't need to worry about others. Oh and all that stuff you listed, that's a parent's job to provide, they are obligated. If you don't provide that stuff, you are not only a shitty parent, you're violating the law. You CHOSE to have a kid, the kid did not choose to born, then you accepted parental responsibility. Therefore you have to take care of the child and all the responsibilities that come along with them. However, it is not the child's job, even a grown one, to care and provide for their parent. It may be the right thing to do, in some cases, but they do not need to, and they can be upset when they have to accommodate for them, as it is not the kid's responsibility to do this.

They are obligated to provide, but providing for them is optional. Don't we live in a wonderful world? All rights and no duties.. Hurray... And this great tradition is carried forward.. The kids of today then do the bare minimum for their own kids in the future and those kids in turn can't wait to abandon their parents ( sorry become independent) fast enough.

If you accept parental responsibility and don't give your kids away, providing for them is not optional. If you don't provide for them, you get charged with child neglect and get your kids taken away. So you do have a duty to provide, and the kids have a right to decent care. The kids today actually don't do that. Combined with the high cost of living, and changing views of parenting, it's the reason people are living with their parents past 18. A lot of them take care of their kids way past when they're legally obligated to do so, because a lot realize that life is expensive and hard, and making their kid suffer and struggle just because they hit 18 isn't being a good parent, being a parent doesn't end cause your kid reached a certain age. So I ask you, how is that bare minimum? Also, kids leaving their parents and starting their own life isn't "abandoning," they focus less on the family they grew up with because they're starting their own. How did you make a kid becoming independent a bad thing? If your kids do abandon you because you were a dick, well then you have nothing to bitch over. If you were a shitty parent and person towards them, why should they include you in their life? I suggest actually looking at societal facts, instead of just coming to conclusions based on personal biases.

Ahh I smell some guilt flying thick in the air around me...

Good grief, #19! The sour grapes... I get it. You obviously didn't want to cut the apron strings, and you resent your kid(s) for leaving. That's not healthy, and you should seek therapy. You remind me of my mother. A parent's job is to prepare their child(ren) to thrive in the real world, as responsible, independent, functioning adults, not to cling to and cripple them. And that said, it's easy to understand why OP's mother moving in is a negative thing. It's like a step back in OP's independence, and will create an awkward dynamic in the home. OP's mother, used to being the parent, is likely to try to continue parenting OP now; questioning OP's decisions, trying to implement curfews, and generally disregarding OP being an adult, and the provider. OP had only just gotten out on their own, and will all too quickly be forced back into living with their mother, and struggling to assert themselves, given they are now the provider. It's not a good situation.