What’s a gameplay feature you’ve NEVER used? New ideas to spice up your game!

I've never tried the weather control station from Seasons ? perhaps I should try that one out.
Nor have I ever used the washing tub for manual laundry.
There's Patchy the scarecrow who I've never placed before.
Also there's a few aspirations I never completed before. Would be a fun challenge to try and get them all!

There's also a lot of expansions that I haven't bought yet so there's still plenty to be discovered after I completely played through the packs I have!