When adding features to a software product it's easy to underestimate the overall time and cost they may take up. To keep the full impact in mind it can be helpful to think of Features As Pets.
When I think of Features As Pets it helps me look past the initial cost of designing and developing a feature and consider its full lifecycle. For example:
New features are probably one of the key differentiators of your offering compared to others, but it bears a little consideration before adding something — a feature is not just for Christmas.
Features Are Like Pets is from the excellent Intercom on Product Management podcast (Apple, Spotify, ebook).