Reddit mentions of SABRE HS-DSB Adjustable 2-in-1 Home Bar, Strong Scratch-Proof Grip, Removable Door Knob Top Sliding Doors, Portable & Easy to Use for Apt & Travel Security

Have you tried something like this that will allow you to keep the door locked, even if she manages to unscrew and disassemble the knob? Actually, I think this might prevent her from doing that since it pushes inward on the knob.

This for me too, although I also have one of those security bars, like this, that I use to secure my bedroom door - because I watch too much Investigation Discovery.

Ugh. Definitely be careful then. Like seriously, I would suggest ordering those lock things off of Amazon ASAP. It's ballsy to go through someones wallet while they are sleeping right there, so obviously the person has no shame. Make sure you do not keep ANYTHING out that has passwords in it. No diaries. Sleep with your wallet in the bed with you. I would not say a word about it, just install the locks on stuff, and protect your stuff nonchalantly. Also I realize this sounds insane, but if you have credit cards, put a fraud alert on your account. Do not underestimate people. Does your part where your stuff is have a lock on it? you might even talk to the RA about switching rooms just to be safe. I know it'll flame your relationship with your roomies, but you can make new ones and that's some real serious Klepto stuff that will just add way more stress to your life than necessary. If you cannot switch rooms, figure out a way to lock your door. Also, from reading how the locks work in those doors, it looks like you can just open them with the credit card trick, which is REALLY not good. I would for sure figure out a way to lock the door while you are sleeping with one of those bar things that attaches to the door and the floor so that they can't do that and sneak in. It won't help while you are out, but if you lock everything down, they'll move on to your other roommates who presumably have not protected their stuff. Something like this might be good: https://www.amazon.com/Rishon-Enterprises-Inc-I9889-Addalock/dp/B00186URTY?ref_=fsclp_pl_dp_1and this thing while you are IN the room:

https://www.amazon.com/SABRE-Wedge-Security-Alarm-Adjustable/dp/B07BR5VHP3/ref=pd_bxgy_469_3?_encoding=UTF8&pd_rd_i=B00M30SQGA&pd_rd_r=bc1508c9-c3b2-11e8-b774-b318503a9aad&pd_rd_w=NxhW1&pd_rd_wg=2qNmh&pf_rd_i=desktop-dp-sims&pf_rd_m=ATVPDKIKX0DER&pf_rd_p=6725dbd6-9917-451d-beba-16af7874e407&pf_rd_r=ZR7SJWYHP3NZ2PWM7CK7&pf_rd_s=desktop-dp-sims&pf_rd_t=40701&refRID=ZR7SJWYHP3NZ2PWM7CK7&th=1

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If you have a laptop, get something like this for when you aren't taking it with you. https://www.amazon.com/s?k=laptop+lock&ref=nb_sb_noss_2 It's good to have anyways for when you are using it on campus and need to get up and go to the bathroom or get a coffee.

https://www.amazon.com/SABRE-Adjustable-Security-Travel-Apartment/dp/B07BR5VHP3/ref=asc_df_B07BR5VHP3/?tag=hyprod-20&linkCode=df0&hvadid=312025894260&hvpos=1o2&hvnetw=g&hvrand=16367779271665356590&hvpone=&hvptwo=&hvqmt=&hvdev=t&hvdvcmdl=&hvlocint=&hvlocphy=9008578&hvtargid=pla-587090423463&psc=1&tag=&ref=&adgrpid=62469739176&hvpone=&hvptwo=&hvadid=312025894260&hvpos=1o2&hvnetw=g&hvrand=16367779271665356590&hvqmt=&hvdev=t&hvdvcmdl=&hvlocint=&hvlocphy=9008578&hvtargid=pla-587090423463