Oh yeah sure. I do the same, well except some offers that were half price… and one had credit card cashback with my bank on top of that and they will last until they are too expensive. Or my deal with my work data plan that included Disney+.
I mean streaming services alone would take a big hit if you like to have multiple. Then you have Cloud Storage , Gaming Subs (Playstation, Xbox, Nintendo), Music, Online Backups, etc.
It sucks but you end up with plenty quickly
“Found myself moderating chats about my Mastodon moderation setup.”
For ip thing you should be able to use CloudFare Tunnel free service, works with dynamic IPs and without opening ports
That said do not ask me for help, I haven’t used it.
As somebody taking like 0% of all that measures and not having any problem, luck was involved for sure, unless they have a good reason to attack you in particular… I feel like you will be fine…