Tesla Stock vs a House Hack: What Tesla Has to Return

I retired the first version of this post. It said the house-hack path turned $15,000 into $179,000 to $307,000 and that Tesla needed 28% to 35% a year to match. The building math behind that was wrong: it credited $1,467 a month per unit when the rent for the building was $1,180, and it assumed a second building that paid for itself in a way the first one never did.

What the rebuilt model says

I rebuilt the whole thing in a spreadsheet where every number is a formula, and this is what it says now.

The short version: a house hack in a cheap metro still beats renting-and-investing at every stock return short of a historic one, and the reason is not appreciation. It is that the tenant pays for most of your housing, and the money you do not spend on rent is the return.

What $15,000 buys, and what it does not

Most versions of this comparison start with a $400,000 duplex and 3.5% down, then quietly need $30,000 in cash to close. That is not a $15,000 decision. So the building here is the deal the Cleveland page works through, a cheaper surviving building rather than the median-priced one, from the Foothold Index:^[S1] a two-unit, four-bedroom building at $167,000, in a ZIP where a two-bedroom rents for $1,180 a month by HUD’s small-area fair market rent for 2026.

• Down payment at 3.5%: $5,845
• Closing costs at 2.8%: $4,676
• Cash to close: $10,521, leaving $4,479 of the $15,000
• Loan with the FHA upfront premium financed: $163,975
• Payment with mortgage insurance, taxes and insurance: $1,636 a month, fixed

The renter on the other path pays the same $1,180 for an equivalent two-bedroom in the same ZIP. Both rents rise 2% a year, the renter’s and the tenant’s, which is fair to both sides and slightly generous to the owner, because a fixed payment is exactly what rising rents reward.

Path A: rent, and put the $15,000 in Tesla

Over ten years the renter pays $155,048 in rent and ends with whatever $15,000 of Tesla became. There is no leverage on this side, no tenant, and no maintenance, which is the appeal. Tesla’s trailing ten-year return through July 2026 was about 36% a year, and it got there through a drawdown of roughly 74% that took about three years to recover. The S&P 500’s trailing ten-year figure over the same window was about 14.8%.

Path B: buy the building, live in half, hold ten years

How the housing bill compares: in year one the renter pays $14,160. The owner collects $14,160 from the other unit, sets aside 20% for repairs and empty months, and pays the $19,637 annual mortgage, taxes and insurance out of the rest. The owner’s actual housing cost that year is $8,309, about $5,850 less than renting. By year ten the rent has risen to $16,923 and the owner’s cost has fallen to $6,437, because the mortgage principal and interest never moved. The model lets property tax and insurance rise each year, which is why the owner’s cost falls by less than the rent rises.

Over the decade the owner pays $75,149 to live where the renter pays $155,048. The difference, $79,899, sits in the owner’s account earning nothing, which is the most conservative treatment I could give it.

Nobody sells in this comparison, so no sale costs or taxes are charged on either side. The owner also paid down $24,410 of principal in ten years, almost all of it with the tenant’s rent.

Path C: buy a second building at year five

The catch: the first version of this post assumed the owner moves out after the FHA occupancy year and the building throws off $806 a month. It did not, at any rent I could source. So this rebuild keeps the owner in building one for five years, then buys a second building with the cash the cheaper housing produced.

• Cash on hand at year five: $37,744. A second building at the mid-scenario price of $203,181 needs $12,800 to close, so it is affordable with room to spare.
• HUD generally allows one FHA loan at a time, so building one refinances to a conventional loan at year five. That works when prices have risen; in the flat scenario the loan is still above 80% of value and the refinance carries mortgage insurance, which the model notes rather than hides.
• From year six the owner lives in building two with a tenant in the other unit, and building one is fully let with a 2% management fee. Building one then nets $6,203 in year six after its own payment, rising to $8,213 by year ten.

The owner’s total housing cost in year six, both buildings netted together, is $5,182 against $15,634 in rent, and it falls to $2,140 by year ten. Over years six to ten the second path banks another $62,979.

What Tesla has to do to keep up

What this means for you: at its trailing 36% Tesla beats every housing case here, and few widely held stocks of the last decade can say that. At the S&P’s 14.8% the $15,000 becomes about $59,600, which loses to the flat-price house hack by roughly half. The house hack does not need the building to appreciate to win; it needs the tenant to keep paying rent, and it needs you to stay.

Why the 36% deserves caution

The 2022 to 2023 stretch is the reason to be careful with the 36%. Anyone who bought Tesla in November 2021 and needed the money in early 2023 sold at a loss of roughly three quarters. A building with a tenant in it does not do that to you, but it will hand you a $6,000 roof in a bad year, which the 20% reserve is there to absorb.

Two conventions, both published on this site

The Foothold Index screens 83 metros on one rule set: a blended metro rent ($1,069 for this Cleveland deal) and a 23.8% allowance that bundles maintenance, vacancy and a neighborhood loading. On that convention this building keeps $333 a month against renting.

This post uses the building’s own ZIP-level two-bedroom rent, a 20% reserve and no management while you live there, and gets $488 in year one. Both are correct; one is a screen across a country, the other is one building looked at closely. The metro pages carry the first, and the calculator lets you set either.

What I got wrong before, and what I did

The retired post also argued that one building in one ZIP avoids the concentration risk of a single stock. That is backwards: it is more concentrated, not less. What it has instead is a tenant paying the bill.

I bought a $185,000 starter home on this exact logic, and a $470,000 duplex a few years later, and the numbers from those years are on this site line by line, which is the reason this rebuild uses the site’s own model instead of a hopeful one.

How to decide

• Take the house hack if you can stay put five years, your metro has buildings like this one, where a unit rents for around 0.7% of the price each month, and a $6,000 repair would not break you.
• Take the stock if you may move inside three years, you cannot stomach being a landlord, or your market’s duplexes cost so much that the tenant covers only a small share of the payment.
• Do both, in order: most people who end up with a portfolio bought the building first, because the cheaper housing is what funded the brokerage account.

Run your own building through the rent-vs-buy-vs-house-hack tool, then read the broader buy-or-invest question and how house hacking works.

Questions people ask

Is a house hack a better investment than Tesla stock?

A house hack is defined as buying a small multi-unit building, living in one unit and renting the rest, so the question is which path leaves you with more after ten years. In this model the house hack wins unless the stock compounds faster than about 22% to 35% a year, which Tesla did over the last decade and very few stocks do.

How much cash does a $167,000 duplex take to buy?

Cash to close on a $167,000 two-unit building with an FHA loan is about $10,521: a 3.5% down payment of $5,845 plus closing costs of about $4,676. The upfront mortgage insurance premium is financed into the loan rather than paid in cash.

Do you have to sell the building to come out ahead?

No. The position at year ten is defined as equity plus banked cash, with nobody selling on either side. The largest part of the house hacker’s result is the $79,899 not spent on rent, which does not depend on the building’s price at all.

Can you buy a second building with a second FHA loan?

Usually not. HUD generally permits one FHA loan at a time, with documented exceptions, so the common route is to refinance the first building to a conventional loan and use FHA or a low-down conventional loan on the second. That refinance needs the first building to be worth more than the loan, which is why the flat-price case is the weakest one for a second purchase.