Unless your friends/family have access to someone else as technical as you, things may start breaking. There was a story/discussion on this recently on HN, "Dad died in 2022. Since 2023, things he selfhosted have slowly begun breaking":
* https://news.ycombinator.com/item?id=39526863
Certainly there are risks for cloud-based services (expiring credit card), but if you set aside your credentials in a safe place (e.g., paper envelope) then most folks can probably keep things going around if you're not around.