Each limited item has a meaning behind it...
If lets say... someone got the deluxe plumbob park.... When someone who knows its meaning sees it in someone elses city, they know they are a fairly old player.
Now, if players then could trade this building.... If someone like me saw it in someone elses city... It would no longer have that special meaning behind it... because it could've just been someone who bought it off someone else and wasn't an old player like it used to mean...
Do you understand?
It basically looses its value bcause it looses its meaning as soon as it becomes tradable.....
I would assume not that many people would want to trade them anyway... To be perfectly honest... you buy them because they look nice... No-one should ever be buying them to gain a profit.. that in general is a bad idea because its basically exploiting limited events to make a profit... So not only will it devalue all items instantly, it would also be a mechanic that hardly anyone should be using.... and if no-one uses it.... that's a lot of effort in coding for almost no reason...
Tbh i still don't know why i should buy simcash anymore (the name of this thread...) -_- was kinda hoping for some reasons why i should buy simcash.... not "Hey, what about this idea to devalue all of items you bought previously with simcash!" ... Seriously, I honestly think that would make me buy simcash even less...