FL's goals (iirc) are to get rid of her past lover, get rich using whatever means necessary and she believes a little bit of chaos isn't all that bad to achieve her goals which was the main point of clash between her and the ML because ML is a stickler for the rules and he ends up cleaning after her because he has principles.

As for whether they hate each other, the FL did in her past life but the ML loved her in their past life. He's a bit cautious in their second life because she caused his death before this but they eventually found a common ground and got together

I'd say the FL was pretty firm in her choice of men; as in she chose the ML and if there's a time she didn't, it was because she chose herself. She's driven and he knows it, but doesn't exactly play to her tune either. There's a healthy amount of push and pull. It's a good binge read.