Prep Room
Sign inCreate account
Coach note

Interviewers ask this kind of question to surface how you think, not what you remember. The strongest answers are specific, calmly told, and end on what changed.

Estimation & sizing · Breaking the problem down

Estimate how many homes are sold in the United States in a year, and the total commission pool that creates.

Type your answer
0of ~200 wordsAbout a minute spoken

Voice isn’t supported in this browser — type your answer in the box.

Create a free account to get more critiques.

Your answer
Your answer appears here as you speak.
Model answerFree with an account

Start with housing stock: roughly 145 million housing units, about two-thirds owner-occupied — call it 85 to 90 million owned homes.…

The full answer — structure, worked example, likely follow-up.

Concepts behind this questionFermi estimation: decompose, anchor, sanity-check
Next Estimation & sizing question

Practice more

Thousands of questions, calibrated to your role — your progress saved across every session, with model answers and full breakdowns.

Create accountTour Prep Room