A whole bunch of titles by Terry Goodkind are part of the Kindle US Deal of the Day, priced at $2.99 each, and seem to be matched at Kobo US. I'm in a bit of a time crunch and too many to list individually, but these links pull them all up (and a couple of strays).
Kindle US:
https://www.amazon.com/gp/search/?se...price-asc-rank
Kobo US:
https://www.kobo.com/us/en/search?Qu...cmaxprice=3.99