Most U.S. brokers require customers to apply for and be approved at different "options trading levels" before certain strategies are permitted, and this isn't just bureaucratic friction — it reflects a genuinely real difference in risk between strategy types. Lower approval levels typically permit defined-risk strategies like covered calls and cash-secured puts, where the maximum loss is knowable in advance. Higher levels, usually requiring more disclosed trading experience and larger financial resources, are needed for undefined-risk strategies like naked calls, where the maximum possible loss has no hard ceiling.
Beyond the strategy type itself, several specific, well-documented mistakes account for most of the money retail options traders actually lose. Buying far out-of-the-money "lottery ticket" options — cheap, but requiring a large, specific move within a short time window — carries a structurally low probability of paying off, even when the underlying directional view turns out to be correct, simply because the magnitude and timing requirements are so demanding. Not fully understanding assignment risk on short positions, ignoring how quickly time decay works against a held long option, and trading heavily around known volatility-crush events like earnings without accounting for how implied volatility behaves are all common, avoidable gaps.
Correct moves you up, wrong moves you down — reach 100 to master this lesson.