For your second question, I do both, and I'll do it both in person and online! For your initial question, there would need to be something that catches my eye. Usually it boils down to one (or more) of these three things: eye-catching cover, intriguing title/subtitle, and the quality of the reviews/ratings. (Ratings and reviews are obviously easier to see while browsing online, but I will look up the book online when I'm in a physical store to see what their ratings/reviews look like.)

Hi Rob, have you checked out Kit? We recommend this for our authors, and they're actually one of our affiliates too. You can access their website here

Hi Mary, that sounds like it would work better as a subtitle versus the title itself. Have you done keyword research yet? I'd highly recommend doing so and then trying to come up with a keyword-rich title that's 3-5 words, and then have a subtitle that's also keyword-rich. The point of that is to help readers find your book when they're searching online. We have a lot of videos about how to choose a good title and subtitle. You can check them out here. And for keyword research, we have been using Publisher Rocket for years. Highly recommend checking them out here