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Why we picked it This is the investor's side of your exact question: Steve Barsh, a managing partner at Dreamit Ventures, walks through what he is actually looking for behind the TAM ask and the mistakes that make him distrust a slide. He is blunt that the credible path is bottoms-up (number of customers times price you can defend), which validates your instinct. Watch it to hear how the person on the other side of the table reads the number you are about to show.
What is Total Addressable Market (TAM), with Steve Barsh
On Slidebean by Steve Barsh (Dreamit Ventures) ~10 min
- Investors read the TAM slide as a test of whether you understand your buyer, not as a hunt for the biggest possible figure.
- The common tells that lose trust: confusing TAM with today's market or the size of the problem, and quoting a price you have not actually tested.
- Show your work: confirm the customers exist where you claim, and that your price reflects what people already pay, before the number goes on a slide.