There are a handful of store improvement suggestions on Feedbug that could use our upvoting (and FL's attention!). (Remember, this site is not just for book suggestions!) Most of these suggestions have to do with the wishlist and wishlist-like features, but there are some other interesting store suggestions in here as well.
Vote: Merge wishlists across Logos.com, Faithlife Ebooks, and Verbum.com!
https://feedback.faithlife.com/boards/logos-com-website/posts/merge-logos-com-and-ebook-wishlists
Vote: Remove purchased books from wishlist automatically!
https://feedback.faithlife.com/boards/logos-com-website/posts/remove-books-from-wishlist-automatically
Vote: Group pre-pubs that ship on the same day into one purchase! (Reduce receipts and individual transactions for quality-of-life improvements)
https://feedback.faithlife.com/boards/logos-com-website/posts/group-pre-pubs-that-ship-on-the-same-day-into-one-purchase-order
Vote: Allow pre-pubs to be wishlisted!
https://feedback.faithlife.com/boards/logos-com-website/posts/allow-pre-pub-title-to-be-added-into-wish-list
(I will contribute that I don't think this is advantageous to FL's bottom line... that case would probably need to be made with data and not anecdote)
Share wish lists with friends/family (i.e. an option to make them public and allow others to purchase items for the customer who owns the wishlist)!
Vote: https://feedback.faithlife.com/boards/logos-com-website/posts/wish-list
Allow customers to subscribe to serial content and be notified when new publications in the series are available!
Vote: https://feedback.faithlife.com/boards/logos-com-website/posts/allow-us-to-subscribe-to-serial-and-other-content
(I myself would love to subscribe to a few commentary series that are still producing new volumes, as well as the various monastic series run by Liturgical Press)