My dads girlfriend is weird af

Ok let me start off my saying this. My parents are divorced and it all happened because he cheated on her WHILST me and my sister were both born at the time. And he had a secret bank account for her that he would send her money when my parents were married at the time. She’s not even pretty or nice I have no clue what my dad sees in her. She has fake boobs and fake teeth and she also doesn’t speak good English and my dad is trying to teach her some Italian since it’s his original language. I’m getting carried away..! Anyways! We’re on vacation and btw he told me the night before we got on vacation that we’re meeting her there and he made up a whole lie about how he already told me this information even though I know damn well he never did. Ok so fast forward and we meet here there and the vacation is fine so far. Let’s say a week into this vacation she starts making up this huge fucking lie about how she has severe eczema and she ends up staying in her room by herself for like 4 days or so. Me and my dad go to the beach together without her and that’s fine! Ok I’ve seen her when she told my dad that her eczema was bad and she had no rashes, red parts of skin, or flaking or flare ups. Fat. Ass. Lie!! I used to have eczema when I was younger and I know what it was like and what some of the symptoms etc are.  Then I said that when I was younger I used to get it from eating egg yolks and then the day after I shared that information she goes on to say that it’s from eggs!! What the hell??! Ok now like an hour ago we went to the hardware store Becuase we needed door stoppers for the house and the lady helping us there was very kind and was showing us some other stuff since we also have some weird residue on our floor. The lady’s showing us the liquid and my dads gf was grabbing it from her hands and shit like ok girl.  👀👀👀 ummm..? Me and my dad were looking at hooks while she was looking at a shelf that costed 200€!! What the fuck?! And she goes on to tell my dad that we need it and we should get it.  Mind you this woman doesn’t have a credit card. Oops I mean she does but it’s MY DADS. my dad kept telling her that we don’t need it over and over again but she kept insisting. In the end of our visit when we kind of separated from her, I told my dad “we don’t need a shelf” and he replied “I know she always asks for stuff but I just have to say no that’s just how it is” sir?!??? What on earth? So this isn’t the first time! Irrelevant, but also on my birthday she got me a 100$ indigo gift card and the receipt was there and I SAW that the credit card that was used was my DADS. so she has no money or she can’t even spare a little for my birthday. I never asked for a gift from her but I would rather someone get me stuff with their own money. She’s so weird I’m done with her  also there more but I’m getting home rn so yeah. Sorry for the rant!!!