When I'm being lazy or my nails are damaged and I'm trying to let them grow out and recover, I like to use Impress Manicure press-ons. They last a good few days (4-7 for me) and don't damage your actual nails, which makes them ideal.
Also, they do HALLOWEEN collections!
Here are the ones I tried this year:
EASY way to be festive. Also, before anyone calls me out, I get stuck in standstill traffic a lot OR take nail pics when I'm parked. Don't @ me.