Date: 2025-07-19 with Saketh Sabbineni
Guesstimates
Tackling in 5 easy steps
Earlyvangelist
- They already have a problem
- They understand that they have a problem
- They are actively searching for a solution
- The problem is painful enough that they created a homegrown solution
- There is money or budget to solve the problem
Case: Estimate the size of electric scooters market (SAM - as we are considering penetration) in India
- Selling price - 50k INR or 600 USD
- Urban 30% - 30% of 1.4 billion
- Lifetime - 10 years until battery change
- Personal use
- Age group - 18 to 65 age group
- Growth rate -
Resources
- Session Slide
- Session Excel Sheet
- TryExponent on YouTube - PM Interviews and Market Sizing/Guesstimates videos
- Stellar Peers on Medium - 4 HQ Guesstimates questions - attempt after some exp
- Product Management Interview Questions - Google Search and first link
- Case In Point - Case Studies
- Lenny’s Newsletter