Are there any Centurion members on here who were putting significant spend on other Amex cards at the same time as the Platinum card, and received an invite? I have historically put almost everything on Platinum (largely because, to be honest, it's simpler and I haven't bothered to try to maximize MR points). But I now have a Gold card that I got so my kids could have a card too. I have seen mixed things online about whether you needed to be putting all/most of your spent on Platinum.