The console isn't out for a whole month. Indie devs usually don't get dev kits ahead of launch and even if they do it is not a good idea to try to compete with Mario Kart...
I also have several of these as a replacement for some Tuya sensors I added a power supply to because they ate through batteries. The Sonoff not only has a way better battery life, they also feel and look nicer and the readings are far better. The Tuya sensors were all off by several degrees and the Sonoff are way closer to the real temperature. I cannot recommend them enough.
Also: mains powered devices (lightbulbs, smart plugs, zigbee repeaters) will all act as a repeater in your mesh. Depending on your home it might help to add in a few of them. But keep in mind that this will not magically make your existing devices use them. When setting up your network always pair your permanent powered devices first so they can act as endpoints for your battery powered ones.
I think what he means is that if your backup is triggered from your main server and your main server is compromised the backups can also be attacked immediately. If the backup is requested from the backup machine you will at least have the time between the attack and the next backup to prevent the attack from reaching your backup machines.
If you don't plan on supporting this for at least a few years I would say no.
If you don't expect to have a decent local userbase I would say no (local in the sense of a common interest, e.g. it might be useful to host an instance for all members of even a small company if you expect a decent amount of posts).
If it's just you and your family (let's be honest: it's just you) I would say no.
The fediverse can federate, but if everyone is using their own server it's just a fancy peer to peer network.
That might be tricky. Imagine there is an absolute amount of requests a single player may be able to send just by paying the base game. And now you times this by six to get your max requests per game. But it might also be enough to let 10 players play a "normal" game. So you either lower your limit further and therefore make the game worse for some player or you leave it up there and may not achieve anything.
Titanfall 2 is a great shooter and story game. Don't bother with Titanfall 1 if you are only in for singleplayer as it is multiplayer only.