TLDR:- Dated a girl I had a small crush on when we were in college, 3.5 years later. Willingly ignored a few clear red flags, now I'm in a relationship and the ghosts of her past are coming up with increased frequency. Ridiculously high number of red flags. She wants to marry me, I want to plate her.

BODY:-

Met this girl when she was in her first year of university in 2019, and I was a senior (last year) for a brief few minutes. Took a liking to her but life happened; she went back home, got a boyfriend... We had the occasional interaction on social media but that was it.

6 months back they broke up, 4 months back we got talking, 2 months back we started dating and now that the honeymoon phase is over I can see her for all she is and I don't want to settle down with her.

Problem is that she is invested heavily (switched cities for me, quit her job and is looking for one close to where I stay). Bigger problem is that she's been a proper hoe in the past, cheated on both boyfriends.. (I coaxed it out of her) and I know I won't have any sort of MONOGAMOUS relationship with her.

Easy option is to dump her but any chump can do that, I would like to know how you would proceed with the end goal of keeping her as a plate. Advice appreciated, can provide more details in comments.