Patient Gamers might be a community that interests you. https://lemmy.ml/c/patientgamers
My PC is over 7 years old now. It was cutting edge at the time of build (because of VR) and it can still play many of the new titles that come out with medium/high graphics, but generally, however, I don't bother with new releases. Most new releases in modern gaming are cripplingly expensive bug filled messes that are close to being unplayable for at least 6 months to a year after release. Recent games I've played/replayed are Monkey Island, and Syberia which are both over 15 years old. There is a huge library of great older games to dive into using older tech without chasing the latest shiny release that has grabbed everyone's attention or having to upgrade your hardware every year.
When I do upgrade I will again buy hardware just below cutting edge. Not the best you can get as it usually has a crushing price premium but as good as is reasonable and affordable as it provides longevity and reduced waste over constant low level upgrades (hence my 7 year old gaming PC). Second hand is of course always an option especially now the era of GPU powered crypto mining has passed and you can probably buy used graphics cards now that haven't been thrashed to within an inch of their lives.