What investors really think about the TAM slide in your pitch deck

We’re encouraged to think of pitch meetings as a trial by fire: If an entrepreneur can negotiate deadly traps and slay the doubt monsters that bedevil tech investors, they’ll be rewarded with a golden SAFE note at the end of their quest.
Particularly for first-timers, the pitch has become an existential drama, which can lead to poor decisions like overlong slide decks, failing to prepare investors before a meeting, and fatally, exaggerating the size of the total addressable market (TAM) in which they hope to compete.
“With TAM, it is almost guaranteed you’re going to be wrong,” Aydin Sen

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