I subscribe to the arch news letter, and they email me about potentially breaking changes like 4 times a year. Usually I don't have to do anything about them but it's good to be aware of, just in case.
I can't imagine what sub-reddits they think people would willingly participate in that are paid-only. Decreasing visibility and potential participation group automatically makes those worse in most cases.
Beats me, I don't work in those fields. You have a product/service you're trying to find customers for (marketing) and get them to buy it from you (sales).
There's one historical movie scene that comes to mind for me when I think about Sid Meier's Civilization 7, and it's not a flashy arena fight in Gladiator or mission control cheering as we safely bring Apollo 13 back home. It's Leo DiCaprio as Howard Hughes in The Aviator, running his hand along an airplane fuselage and insisting that he doesn't want to see any rivets.
You just described a load balancer. The router doesn't know about DNS but clients using your service use DNS. You can do some simple load balancing behind DNS. If you want to do it by IP address you want a load balancer though.
This happens to cars a lot in Florida