Every option position, however exotic it looks on a broker screen, settles at expiry into one of four payoff shapes: buy a call, buy a put, sell a call, sell a put. Learn to read these four pictures and you can take apart any options trade ever pitched to you.
The shape tells you the one honest thing about a trade: what happens to your money at every possible stock price. Two of the shapes belong to buyers, and their worst case is known in advance: the premium, gone, and nothing more. The other two belong to sellers, and for them it flips: the best case is known in advance (the premium, kept) while the worst case is open-ended. Everything else about options is detail. This asymmetry is the plot.
Where it bites
Every "strategy" is these four bricks glued together. An iron condor is a sold call and a sold put wearing a seatbelt. A covered call is stock plus the sell-a-call shape. If a pitch sounds too clever to draw, draw it anyway: the shape will tell you who carries the tail.
The seller shapes feel safe by design. Look at sell-a-put above with the stock anywhere near $100: a flat, calm, profitable line. That flatness is what months of easy income look like, right up until the stock visits the left edge of the chart. The line does not stop there; only the picture does.
People pick trades by story, not by shape. "I collect premium while I wait" describes the same trade as "my gain is capped at $250 and my loss is not". Same shape, different sales pitch. Check which side of the asymmetry you are standing on before you look at the ticker.
Go feel it
A slider is a preview; living inside one of these shapes for thirty simulated days is the real thing. Take the buy-a-call shape for a walk in Lesson 1: What You're Actually Buying, then see what the sell-a-put shape does to a calm month in The Premium Trap.
Related concepts: option premium · strike price · ITM, OTM, ATM