Reedsy
https://reedsy.com/a/paidauthor
Instant $20 Credit when you join with the Paid Author link above
Reedsy is a one-stop shop for book cover designers, editors and formatters.
When you join, your project will be submitted to a whole bunch of book formatters and designers at the same time. Once they send you back their concept and credentials, you get to select the one you’d most like to work with.
Prices between each designer will vary, but no matter who you choose, you will get $20 credit when you join them, using the link above.