By Jonathan Hofer, Christopher J. Calton, Kristian Fors, Caleb Petitt of The Independent Institute. Excerpt:
"A persistent misconception is that rent simply equals the cost of ownership plus a profit margin. A crucial economic principle is that input costs do not determine prices; the value of outputs determines them. Input costs are important insofar as they affect supply. In a market, rent is determined by supply and demand for housing services, not by a landlord’s costs. The landlord’s cost structure is largely irrelevant to the market-clearing price.
The difference in monthly costs between owning and renting in large cities can be great. For instance, the typical monthly rent for a two-bedroom apartment in San Francisco can be a few thousand dollars less than the monthly mortgage payments, including principal and interest, for a similar property. This trend is observed in many areas across the United States, especially in regions experiencing rapid growth or facing macroeconomic conditions in which interest rates rise quickly.
Characterizing landlords as reaping significant profits oversimplifies the situation by failing to account for the broader financial context and the risks landlords face. Successful landlords may make great gains nominally, but the typical yield on a unit is actually quite low. In some states, yield (income generated by the property expressed as a percent of the asset’s cost) can be around 6-7%, but large cities tend to have a lower yield, typically around 2-5%—an amount insufficient to change a renter’s ability to generate wealth.
While tenants pay a fixed rent, landlords bear unpredictable, non-negotiable costs, such as maintenance. Maintenance can include routine wear and tear, as well as catastrophic repairs or the replacement of costly appliances. Landlords are contractually and, oftentimes, statutorily obligated to maintain the unit’s full “output” value. If the property depreciates, that is another cost absorbed by the landlord and not the tenant. They also have to bear the financial risks of legal compliance, which can include costs related to having tenants, such as rent controls, or general risks, such as insurance. When landlords have negative carry (when monthly rental income falls below the combined costs of debt service, maintenance, and taxes), landlords are effectively subsidizing tenants. That latter point might be obvious, but what may be less obvious is how common negative carry actually is. According to a report by DoorLoop, only “35% of landlords say their rental properties are profitable year after year. This percentage held steady from 2023 to 2024 even as rental prices rose sharply.” and “38% of landlords say their rental properties break even financially (mortgage and expenses) but don’t generate consistent profit.”
A significant and underappreciated advantage for renters is the ability to benefit from a landlord’s historical investment. A landlord who acquired a multi-unit building a decade ago operates on a cost basis, and likely a mortgage interest rate that is no longer available in the current market. Due to the lower entry price, the landlord can accept a lower yield (rent as a percentage of the current property value) than a new buyer could achieve. For those familiar, this can be illustrated by the standard supply-and-demand model: landlords who bought at different prices shift the supply curve to the right, resulting in lower equilibrium rent than if units had to be financed at current prices.
This creates what might be called a travel-back-in-time effect. Renting from an established landlord allows tenants to access housing at a price point anchored to historical costs, effectively insulating them from the full impact of rising interest rates and price appreciation. For individuals seeking to maximize net worth, the cost of paying a landlord’s overhead can be substantially lower than the opportunity cost of committing a large down payment to an illiquid, concentrated asset.
Economies of scale
Beyond historical cost advantages, scale matters. Landlords, particularly those managing multi-unit developments, generate value through operational efficiencies that single-family homeowners cannot replicate. Research on rental housing economies of scale demonstrates that costs per unit tend to decrease as the number of units increases, due to shared infrastructure, bulk purchasing power, and specialized management. This scale efficiency manifests in several ways. By pooling costs, landlords can lower the price of housing services for tenants. The development costs of new or renovated housing can be reduced through bulk orders with suppliers and vendor consolidation. Renters in multi-unit buildings benefit from shared infrastructure, such as roofs, foundations, and HVAC systems. These shared resources, when calculated per square foot, are significantly more efficient than those in single-family homes.
Creating a Buffer for Renters
By leveraging the historical cost advantage borne by the landlord, renters effectively gain a competitive financial buffer. Renters can secure a similar consumption good, i.e., shelter, at a discount relative to the current frontier cost of a mortgage. The delta between the market rent and the counterfactual homeownership scenario allows renters to use different wealth-generation vehicles.
That means that renting is not “throwing money away”; rather, it is the purchase of a thing without the attendant risks of over-leverage, illiquidity, and concentrated asset exposure. By assuming the risks of property devaluation, legislative changes, physical depreciation, and liability, landlords enable tenants to allocate capital toward other potentially liquid uses, including seeking higher returns on capital. When that occurs, landlords are not barriers to wealth, but rather, providers of financial flexibility and absorbers of real estate volatility, enabling tenants to maintain optionality. If renters allocate the capital intended for a down payment to a diversified portfolio of equities, they may often achieve returns greater than those of a single property.
Obviously, this relationship is not without trade-offs. Renters face the risk of eviction, rent increases, and limited long-term security. These vulnerabilities can have significant financial and emotional impacts. However, these challenges do not negate the fundamental economic function landlords serves.
Do Landlords Hoard Units?
Some affordability activists make the claim that landlords are “hoarding” tens of thousands of unoccupied units, such as the oft-cited figure of 60,000–90,000 vacant homes in San Francisco. This is a curious argument and may imply some ignorance of how housing markets, and markets in general, function. Supply and demand never achieve perfect, instantaneous matching; some inventory is always in transition or needs to be called up. High rents and prices in places like San Francisco are the market’s clearest signal of insufficient supply relative to demand, not evidence of deliberate withholding.
Even still, the “vacant units” number is largely a mirage. Census and city data include short-term vacancies, units between tenants, in the process of being sold, renovated, or prepared for re-rental. Many others are unfit for habitation (e.g., severely dilapidated or in need of major repairs), or are simply not rentable or sellable at current market conditions without significant investment. Recent reports show San Francisco’s effective rental vacancy rate (units actually available and ready for occupancy) hovers around 3–5% in 2025–2026, among the lowest in the nation and well below a reasonable benchmark for smooth turnover. While overall reported vacancies include these transitional categories, they don’t represent “hoarded” stock. True long-term deliberate vacancies (e.g., vacation homes and luxury units held empty for speculation) exist but are a tiny fraction, not enough to suppress prices meaningfully.
Some of these activists have proposed an “empty homes tax” to penalize landlords who have vacant units. Such a scheme discourages investment because it erodes a landlord’s margin, as there will inevitably be durations when tenants churn. It may also discourage upkeep, as landlords may avoid taking time to renovate between occupants because that is a period when they would be taxed.
Even if some curmudgeony owners were trying to “hoard” for profit, ironically, adding substantial new supply would undermine that strategy by increasing competition and capturing those potential gains for different landlords/developers and future residents instead. The real delusion is pretending that vacancies prove abundance when they coexist with skyrocketing costs, precisely because overall long-run supply has failed to keep pace with population and job growth in high-demand areas."