Firesale reduces the price of all ranks by 20%. It takes two prestiges to get, which means that firesale is basically "buy five prestiges, get one free". This means that you'd need to get to prestige 12 in order to get your tokens back, assuming that you bought it at prestige 2. Only 112 people in the world have ever reached prestige 12, according to the stats page. So many players who actually bought it will never get their tokens back.
The only reason why you might want firesale is if you...
Why firesale isn't worth it
The only reason why you might want firesale is if you...
Why firesale isn't worth it