>>47093025Not many people kept their HGSS boxes in good condition, most people lost their Pokewalker, most people damaged or lost or trashed their game manuals. CiBs in good condition are hard to come by, and this is reflected by their price.
Keep in mind, though, that Covid and WFH are still influencing the market, so it's likely that these consistently raising prices across the board won't continue for much longer as more people get back to a regular working environment.
Exponential gains can't be maintained forever
