what to do with gold eggs open up or sell later? after event

[Udit Uberoi]

will the price of the gold eggs increase? also should i open them idk and im not very rich.

[Darkrai]

Since my Rng in games is always bad i always sell stuff that are chest like for sure they will raise in prize but like all things it takes some time and it depends on how much the demand is after the event.