For all the preparation that goes into a fantasy football draft, it's still the easiest part of the process.
Assembling a roster is one thing. Managing said roster on a week-to-week basis is a different kind of beast altogether.
Because stars can go cold and off-the-radar types can heat up, you need to be on the right side of these temperature fluctuations as often as possible. It might be an educated guessing game at the end of the day, but that still means you need to educate yourself about reasons to feel bullish or bearish about a player's potential production.