The trick encyclopedia

"A price feels reasonable — even generous — when moments ago it felt out of reach."

"One option suddenly feels like the obvious smart choice."

"Free isn't 1¢ cheaper than 1¢ — it's a different category."

"You came for one cheap thing and left with a full basket."

"You feel safer choosing what others have already chosen."

"You trust the message because of who's saying it."

"Owning it tells people something about you — and that's most of why you want it."

"You pick the option whose risk you can describe over the one you can't."

"You want it more the moment you might lose the chance to have it."

"You feel the sting of what you'd be giving up — and act to prevent it."

"You feel a quiet pull to give back after receiving something for free."

"A tiny commitment now makes a big commitment later feel consistent."

"You keep going because you've already invested too much to stop."

"A claim feels true the moment it gets specific."

"The same fact lands differently depending on how it's wrapped."

"You can picture the result before you've bought the thing."

"It feels true because it was easy to understand."

"Your scroll stops. You don't quite know why."

"You need to know what comes next."

"One thing is impossible to miss because it doesn't match anything around it."

"You feel like you're already partway there — so you keep going."

"The pre-selected option becomes the choice — without a real decision."

"You value the thing more because you helped build it."

"Easy to start, hard to leave."

"You feel like an idiot for clicking 'no'."

"The price you saw is never the price you pay."

"Easy to check in. Designed to make you give up trying to leave."

"You buy now because you'll lose the chance — except you won't."

"You agree to share more than you meant to — because saying no is exhausting."

"You came for one thing. You're being sold another."

"Everyone seems to be in on it. You feel late."

"You can't find the option you want — so you take the one they want."

"Free trial ends. You're charged. You don't notice for months."

"You bought something you never agreed to buy."

"You shared the app with everyone in your contacts — without meaning to."

"You remember the experience by its highest point and how it ended — not its average."

"You suddenly know exactly who you're not — and that's clarifying."

"Elitism & In-Group Bias. Humans have a fundamental need to belong. By creating an exclusive 'in-group,' you trigger a powerful desire to be part of it. The effort required to get past the 'rope' makes membership feel earned and confers status."