How long before a launch do you need to submit your product for review?

As I know, you can create a Teaser 1 month before your launch. But you can always reschedule your launch date, too.

I'd recommend submitting at least 24 hours before launch to be safe, but I've gotten products approved in as little as 6-8 hours before. Just make sure your images, video, and copy are all finalized and polished before submitting for review.