As of this weekend, I am going to be moving from two of the worst roommates I have ever had the experience of living with. They're related to one another (brother and sister) and the sister makes more than the two of us combined while the brother works 8hrs a week and makes no effort to get more hours or another job, which makes him unable to pay his share of the rent or for his sister's older car that she dumped on him since she got a new one. So I'm stuck paying for both my share and his ($600 bucks. May not seem like much, but it gets costly) along with half of the utilities, which has me pushing back my own bills to make due. I also seem to be the only one that cleans the house and takes care of the two dogs that the sister owns (she constantly neglects them and rarely buys them food).
There has also been about four or five times where the brother has threatened to kick me out (when he doesn't have the authority since it's his sister's house) because I've voiced how tired I was of him just taking up space and making no effort to contribute to anything and his sister just enables him and doesn't try to help at all.
From this and with the help of a friend, I'm moving this weekend since this situation is costing me more than it is saving me and I'm wondering if and when I should tell my roommates. I think leaving without saying anything would be immature and rude, but since they haven't had the courtesy of treating me with any kindness, would it be worth telling them?
If I should tell them, I'm wondering if I should do it asap to get it over with, but considering how they are, I don't want them to do anything to my things when I'm away from the house at work, which is making me wonder if it would be better to tell them the day of. This way, I won't have to worry about any sort of conflict and I would have my stuff already packed and be able to leave without a problem.