Google Product Manager Estimation Interview: Paint Market

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Published 2021-08-23
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Watch our mock Google PM estimation interview. Kevin Wei (Coinbase PM) asks Selena, Google PM, to estimate the US paint market.

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Chapters -
00:00:00 Intro
00:00:33 Question
00:00:54 Answer
00:09:27 Follow-up questions
00:11:39 Interview analysis
00:12:00

All Comments (21)
  • @tryexponent
    Don't leave your product management career to chance. Sign up for Exponent's PM interview course today: bit.ly/3NA7qqC
  • @gdr5804
    Really nailed it: The U.S. paints & coatings market size was estimated at USD 24.2 billion in 2019 and is expected to reach USD 24.8 billion in 2020.
  • @rusl12
    Really nice. The only thing I was thinking is that while the arts and crafts is a small amount of paint, the Units are way more expensive so it might actually not be that small. Having said that I didn’t event think about arts and crafts myself. The one can per room heuristic was very nice
  • The assumption on vehicles, what I understood, is to paint it every year. This does not make sense. Overall estimation is very good.
  • @MC-wp2vz
    For the car paint, I feel it is a different of paint and the price would be very different. It is hard to imagine that car paint is same as paint for residential houses.
  • @vsjadon
    Is there any mistake while calculating cans required to paint industrial building? We have assumed 5M large building but I think calculation is done using 10 M large buildings figure.
  • @leotini
    It will be great to keep sharing the document. It is easy to follow when you are reading the doc. You are showing the doc and then return to your camera. not good. but very nice case!
  • @yummyday44
    Approach to the painter, with the assumption 90% of ppl will hire people to do the work. No. the painter labor is estimated with % of the overall population, times the average price of a can of paint, and assume a month of 20 cans of paints used which is 240 cans yearly. Multiply three of them will obtain a fair estimation market cap provided with solid data support of the number ~
  • @pandeymani
    Arent, we considering the new houses getting built every year will change the estimates here; just wanted to call out!
  • @nickwz
    In my opinion the answer although executed well has two significant flaws: 1- commercial buildings are estimated based on the residential number, it should be significantly lower 2- number of cars is too high because not everyone gets a new car every year
  • @vyche7882
    I wonder that why she did not divide the lifecycle (assuming residential houses may require 10 years to paint for new and residential industries for 20 years). Additionally, she also shared the 5M large building on residential industries but did not use this fact to estimate instead of using information from residential houses. Can you help to clarify?
  • Is she considering the rooms or the buildings are painted every year? As per my opinion for Households it should be 2-3yrs and for industrial buildings it should be 4-5yrs.
  • Did I miss it or the 20 years for the industries was not taken into account, and therefore this came to a close approximation?
  • Shouldn't the amount for Industrial buildings be 500M and not 1000M? As 5M buildings * 100 cans/ building?