Help :(

I’m here crying my eyes out and I need help some good advice is needed something happend and I feel very bad for it I live in a apt with my husband his sister her husband and there two kids I make sure the house stays clean I watch the children for free I make sure there safe clean and fed because nobody else does it well my sister in law she told me yesterday to only clean our messes like me and my husbands and I told her why and that I have no problem cleaning up I usually do daily and she got mad and said to just to do that so I did and she seen her mess today and got mad and started saying why the kitchen isn’t clean and then her husband got mad because he had to wash there dishes they had dirtied that day started talking shit saying I don’t help and how I’m lazy because I didn’t clean the dishes and how I’m not good with the kids and it really hurt my feelings because I clean every day and they never say thank you once they always complain how I clean and just messy up the house and never say thanks I even baby sit there kids for free not even a thank you for that and we pay half the rent too and half of all the bills and we even buy our own food and there kids food I just feel so hurt because I feel like I should of just did it anyways I don’t know if I was in the wrong or not...