Weird Laboratory Student (Minor Hermetic Flaw)
Despite having clear and easily identifiable instructions, sometimes things just don't work out the way they are supposed to. When working from a lab text to recreate a spell or to create an item, you roll on the Side Effect table in Experimentation Extraordinary Results. If creating multiple items or reinventing multiple spells in one season, roll separately for each.
Design notes: The side effect table is nominally 40% neutral, 40% bad, and 20% positive, though some of the neutrals can be considered a negative at times and one of the rolls is really bad - arguably a seasonal waste. So this is probably too much of a flaw. But I know people who would take it anyway.
Hasty Researcher (Minor Hermetic Flaw)
Perhaps its impatience, or perhaps its an inevitable cutting of corners; Either way, you find yourself getting work done a little faster, but who cares if there's a few odd side-effects now and again? Whenever doing work in the laboratory on anything that would allow experimentation, you get a +2 to your lab total but must roll on the Side Effect table in the Extraordinary Results chart.
Design notes: I felt that the *required* nature of the flaw made it too hurtful without a small bonus.