If the Economy goes down no more jobs mean more poor people sell their games.
If people are out of work for long enough (irrespective of the economy at large), this will happen, yes.
However, everything else you said is incorrect. I'll explain.
people buy for a higher price sell to more rich people richer people sell, to other rich people, they sell it and the prices just keeps going up, then everything game wise goes up
If a large supply of games hits the market, that won’t cause their value to go up, but down (or at least, plateau). The values now are high because everyone’s cooped up, and many people are (foolishly) using their relief money to buy games, and so demand is high while supply is dwindling. If supply increases because people need to liquidate, then as a result the number of prospective buyers decrease, and demand will drop.
It doesn’t matter if the shrinking pool of buyers are rich. Rich people don’t stay rich by being stupid, and tend not to outbid themselves for a product no one else is clamouring for. If you’re selling something and there are only 2 prospective buyers vs the previous 10, then the wealth of those 2 is irrelevant as the demand is less and their won’t be as furious a bidding war (literally and figuratively).
Digital Modern game companies become the only option, (I am hoping not)
Ignoring the ever closer reality of all digital gaming for a moment, new physical releases won’t suddenly have increased retail prices just because retro game prices are on fire. They are catering to very different audiences, and again, the supply/demand in one is vastly different than in the other.
Game physical media value goes up, most people get upset and possibly find a new thing to spend their money on.
People might move on from the retro scene if they are priced out, but it won’t have any appreciable effect on current gen game sales.
= dead video game industry for collectors not into the 6 digits
And this is why your doomsday scenario for the game industry (which is about modern releases, they don’t profit from secondhand retro sales) will not happen. They still have to earn money, and they won’t do that pricing themselves out of the market, nor is there any impetus to do so based on second hand values of old games no longer in production.
repeat that with movies and CD's and then most physical media becomes like gold. then we can't own a damn thing and if this happens to all media in which it may.
Is there a significant markup on used DVDs and CDs now?
and if cash is stll king by then, there will be unstoppable commercial advertisements on everything media Life would become work work and no play.
Not sure how you think cash transactions (vs direct payment via cards) have any impact on advertising, or how it affects the average person’s work-life balance?