I'll likely subscribe... for my mother.
It's easier and simpler than hunting for free or sale ebooks to keep her habit fed.

(Typical month, 15-20 books. Depends on what movies run on Lifetime Movie Channel and Hallmark Movie Channel.)
Her tastes are as eclectic as mine but skew more towards romance and thrillers than SF&Fantasy--say, 70/30, whereas I'm more like 70/10/20 SF, Fantasy, other...