Home Purchase Motive Test
Separate the lifestyle case for a home from the investment case
- Difficulty
- Moderate
- Time to result
- ~weeks to results
- Steps
- 6
- Confidence
- 97%
The test begins by naming the real motive. A household may buy for stability, control of the space, family needs, or a long expected stay; those benefits can justify ownership even if financial returns disappoint. If the motive is investment, compare the home with realistic alternatives after mortgage interest, maintenance, insurance, taxes, transaction costs, and the value of lost mobility. Stress-test the case with flat or declining inflation-adjusted prices rather than assuming recent appreciation continues. Then assess whether a new job, school, relationship, or location change is plausible during the holding period. The guests make broad historical housing claims without presenting the underlying data in the episode, so those claims should be independently checked for the relevant market.
Origin
Extracted from The Diary of a CEO
Core principles
- 01A home can deliver lifestyle value without being the best investment
- 02Buying reduces mobility and creates transaction costs
- 03Leverage increases both exposure and downside
- 04Historical appreciation does not guarantee future returns
- 05The decision should fit the intended holding period and life needs
How to run it
- 1
Name the motive
Write the primary reason for buying: lifestyle stability, control, family needs, or expected financial return.
Pro tip If several motives exist, rank them rather than calling them equally important.
Watch out Do not disguise a lifestyle preference as a guaranteed investment return.
- 2
Set the likely horizon
Estimate how long you are likely to remain in the property under realistic career and family scenarios.
Pro tip Include a shorter-than-planned scenario.
Watch out Short holding periods can make transaction costs more significant.
- 3
Calculate full ownership cost
Include deposit opportunity cost, mortgage interest, fees, taxes, insurance, repairs, maintenance, and selling costs.
Pro tip Separate principal repayment from non-recoverable costs.
Watch out A mortgage payment alone is not the full comparison.
- 4
Compare renting honestly
Price a rental that meets the household's actual needs and include the value of flexibility.
Pro tip Compare equivalent location and quality rather than an unsuitable rental.
Watch out Renting can also carry instability and rising costs.
- 5
Stress-test returns
Model flat, falling, and rising prices after inflation and costs. Check whether the decision still works without appreciation.
Pro tip Use current local data rather than a national anecdote.
Watch out Past housing performance does not establish future returns.
- 6
Make the combined decision
Choose based on the lifestyle value, financial range, mobility cost, and downside together.
Pro tip A lifestyle purchase can be rational even when it is not the highest-return investment.
In the wild
One guest says he owns a house for family stability and would not be especially concerned if it lost money, because investment return was not the reason for the purchase. The example keeps the lifestyle benefit explicit instead of retrofitting an investment justification.
→ The home is judged against its intended family purpose rather than only its resale price.
Common mistakes
Assuming appreciation
Recent price growth can anchor expectations even though future local, real returns may differ.
Ignoring mobility
A property can make a career or location change slower and more expensive.
Comparing unequal homes
A poor rental and an ideal purchased home do not isolate the financial effect of renting versus buying.
Is it for you?
Best for
It is best for people deciding whether to rent or buy a primary residence while career, family, and location needs may change.
Not ideal for
It is not ideal as a universal claim that renting is better or that homes cannot appreciate.
From the transcript
“these are just purely lifestyle decisions”
“I'm owning it just because I want the stability for my family”
From the episode
The Top 7 Money Making Hacks For 2025 That Are PROVEN To Work! Do Not Buy A House! Do This Instead!