Paying the government money when a loved one has died. Half the time the older generation have paid way more tax during their lives and then the remnants are sifted through once gone.
Having to give your email address out to basically any company you buy something from so they can spam your inbox. Yes, I'm aware you can unsubscribe, but it's a pain in the a**. I've got a life to live and it doesn't involve meticulously curating my email inbox on a regular basis.