How fast are content updates? I feel like I should slow down otherwise I'll run out of things to do.

daisangen? nah that's a chiitoi

Which is better? A double-sided wait with all 8 tiles being unaccounted for, or a double-sided wait with several of the tiles already out in discard? Higher chance to draw vs more likely your opponent discards something they think is safe?

Do you usually fold if someone riichis? How good does your hand need to be to go through the gauntlet?