This is a living post, continuously updated over time as the miles and points hobby evolves. They change the rules and we have to stay on top of them.
Today I've updated the section about Citi cards to reflect the new sign up bonus eligibility timelines for their AAdvantage co-branded credit cards. If I've left something important out please feel free to let me know in the comments.

The miles world received some unsettling news recently. I've been mulling it over myself since I read about it, waiting to see if any further information was published or insight gained from others' experiences. And now we have some.