What week do we find out our base

Hi guys! Going to training soon and I was wondering during what week do we find out our bases? Also for those who have gone through this, what did you do from there if you didn’t already live in the city you’re based at? Did you have enough time to find an apartment/roommate or get everything in order to move there? I have so many questions lol but any experience or advice is very appreciated!! Thank youuu