Sister kicking me out after moving mother into assisted living facility

Location: Oregon

Im 27, My mother has dementia, Ive been her full time caretaker for about the last 8 years I was also a caretaker for my father but he passed away last year. My sister recently decided to move her into a assisted living facility and did this very quickly, within a week, and now she wants to sell the house.She's having an estate sale next week and she wants me gone. I'm wondering If I'm protected by any laws? I don't pay rent or anything but I just need some time to find a job and get a few paychecks for an apartment or something.