I always had a hard time with that and kept things running for too long as putting additional work into shutting something down when you already lost interest i

I always had a hard time with that and kept things running for too long as putting additional work into shutting something down when you already lost interest is a hard sell. Now I usually just add a static landing page, some screenshots how it looked like and turn of the backend (Example: https://getbirdfeeder.com https://getbirdfeeder.com) which makes me feel better about it.