Guys.....
Just found what I had in mind.
It gives early adopters a heads up.
My idea however was that you don't even need a landing page and all the site does is containing your add and an email submission form and then you'll take it from there, discord, zoom meetings or whatever works for the people that have signed up.
Betalist criteria is a bit different https://betalist.com/criteria
And it doesn't seem like the early adopters get anything. Just a heads up.