How to get the “Limited Time Deal” and Price Markoff on Amazon

Hey everyone, I’m trying to make my listing look as good as possible, meaning I want to have that limited-time deal shown in my listing.

I’ve heard that you just need to get sales at a high price and then drop it down.

Please let me know if this is incorrect or if there are any other ways to get markoffs and deals like this, but assuming that I’m correct how many sales do I need to get at that high price until I can drop it down and get that badge and markoff on my listing?