One point though is that these forums are not real time and the OCE's answer posts oldest first, so it can sometimes take 24 to 48+ hours to pick up new threads, particularly at busy periods and around the weekends.
But bills can get complicated when boosts are added or removed, as the charging is normally one month in advance. So sometimes you get an unexpected charges on one bill which will be reverses on the next, especially when adding or cancelling boosts doesn't tie up with your billing cycle date.