To think my father is bloody selfish

[WhyTheHeckMe]

Won't bore you with too many details but basically have a rich dad who moved away when I wasaw young. Always stayed in touch and saw him every 3 months or so as a kid. He's been remarried 20 years with a nice lady and they have 2 young teens.
I'm seriously at the end of my tether with him though. We love to visit them but always practically have to beg to get a date in their busy schedules. They never come to see us ever. We only see them if we go there, then it's all showy as to what they've bought
I had a baby 3 months ago (dc2) which they met when we met them at a halfway point (!!)
They didn't get the baby a present and I never received a card which I thought was a little selfish. I did end up raising it with them in a round-about way to which they asked if there was anything I needed for baby. I suggested a money box. Still waiting for it now 3 months on.
I'm on maternity leave and am in financial difficulty due to a very unexpected bill that was out of my control. Mentioned it to my dad who basically said oh dear, that's unfortunate.
My half siblings are constantly treated to expensive gifts, holidays and trips away, all which I've never had from him
Last year when me and dh went to visit we bumped into their friends while we were out. My father couldn't get away fast enough and when the friend asked who we were my dad said 'my daughter' then tried to change the subject. The guy said "oh you never said you had another child!"
DH thinks i should cut ties. But I love my siblings and only really speak to them through him and wouldn't want to not see them anymore.
Can't imagine ever not wanting to see my children or bending over backwards for them.
Just a little fucked off by it all now.
AIBU and do I sound like a brat? I'm very easy going as is dh and our kids. There's no reason for him to not want to be part of our lives other than the fact I feel we don't fit in with his perfect life that he likes to portray

I don't think this is about money, it's about the neglect he has shown his daughter for years, not even wanting to introduce her to a friend, and the pain it continues to cause her.

Thanks all for your advice and opinions. It's good to see different perspectives.

To clarify - this isn't about money whatsoever and I'm saddened it came across that way.
I don't begrudge my siblings at all and I'm thrilled they have very happy lives. I wouldn't have wanted them to have the upbringing I did.
Me and dh both have good jobs and we have never asked my father for a penny.
I was upset that they didn't get my ds a small gift or a card. I don't feel that's wrong of me.
And with regards to the unexpected bill - I didn't ask him to pay because I've never asked him and never will. If it comes to it my mum will always help out despite the fact she has a lot less to give. It was more the point he doesn't offer. I don't imagine ever not offering to help my children if I can.
There's been some good advice on here and I think that I will now stop asking him if we can visit and just leave it and see what happens as to whether or not he contacts me. .it's frustrating as I said if we don't go there we'll go elsewhere for a short break so I hate being in limbo.
I just know my half siblings are desperate for us to go to spend time with my baby and it's them I ultimately feel sorry for

It didn't come across as being about the money to many people. You could also invite your siblings to stay for a long weekend?

I think your father is definitely a selfish twat. My ex remarried and had another family, didn't bother with our children for years. When he died we heard about it from an old friend, when our grown up children went to the funeral no-one knew that they even existed.

It didn't come across as being about the money to many people

I agree

Why do you only speak to your siblings through him? Get out of that habit, it's not hard to pick up the phone or pop them a FB message asking how they are, and it will grow