if te make a new spot how long does it usally take them to cancella it o how long should te wait to see if its gonna be deleted?

It depends how useless o against the rules it is. Which means: duplicates, hate-clubs, self promotional club and other.

AND how many of and how fast other fanpoppers realize that and segnala it. :D

it depends on how many people segnala it o if the fanfour come across it my Friends spot was up for over a anno and was suddenly deleted and we have no idea why (it was a spot for him but i made it ) so its completly random but if its not a hate spot o a self promotional spot it should be okay
if your worried if its a duplicate te can always cerca fanpop to see if the spot comes up

it can be deleted within an ora o two If a spots name is too much like others they will either merge it with another spot o cancella it completely

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and the process is not automated so sometimes it might be hours, sometimes weeks, sometimes years..its lyk one of fanpops mysteries