Welcome to the Cake Decorators Q&A

How long be fore the wedding can I ice the 3 tier cake with Ganache and then fondant icing and how would I store the cake before transporting the separate tiers to be assembled at the wedding?

Hi Fragil

This depends on the type of cakes and fillings you have. Please take a look at some threads in the following link for community opion and advice:
https://www.cakeflix.com/questions?s=how+far+in+advance
….. and for storing please take a peek at threads in the following link:
https://www.cakeflix.com/questions?s=storing+ganche

Click on the ones most appropriate to your question. Hope these help. However, if you need more information just post back.