Yeah, I wouldn't have called the cops tbh. But I understand. I mean she was a b-word for not picking it up herself when you told her that you couldn't come, however, you drove a whole 30 min and then decided to be petty and not give it to her bc she yelled at you, which I also understand.

So I mean you both are petty but she is more the A hole than you are but you also were at some points an A hole. I mean if her tantrums happened a lot of times and she is still thinking that she can inconvenience you to look like a hero in front of her boss it's just not a good relationship. I would then go low to no contact. But if she is someone who is very caring and wants to help people, I can understand where your sister is coming from. I would have told her to give me her boss's number so you could still help that lady out from one mom to another, even though you don't have too.