The best source for refurb (and discounted) iPhone 13 deals in general is Back Market. This site not only has a wide range of stock at great prices but you'll also get one full year of warranty ...

The iPhone 13 mini has also been discontinued ... The best we can do when evaluating third-party deals is look at the launch prices from 2021 and demand a significant drop to take into account ...

The iPhone 13 is for anyone who wants a cheap, no-frills upgrade that’ll see them through the next couple of years ...