Is Operational Complexity an Underwriting Cost?

When I look at a rental property, the obvious numbers are easy enough to model.

Purchase price. Rent. Taxes. Insurance. Vacancy. Repairs. Capital expenditures. Property management.

But I’ve been thinking about another cost that rarely makes it into the spreadsheet:

Operational complexity.

Two properties can produce nearly identical returns on paper while being completely different investments in practice.

One might have stable tenants, straightforward maintenance, a small number of reliable vendors, predictable expenses, and very few surprises.

The other might require constant coordination between contractors, tenants, utilities, insurance, bookkeeping, repairs, inspections, financing issues, and dozens of small decisions that individually seem insignificant.

On a spreadsheet, those properties might look the same.

They aren't.

The Owner's Attention Has a Cost

We usually treat an owner's time as if it's free.

If a property produces $500 per month in cash flow, we call it a $500-per-month property.

But what if one property requires 30 minutes of attention per month and another requires eight hours?

The accounting return may be identical.

The economic return isn't.

And I don't think this only applies to small landlords doing everything themselves.

Even with professional property management, complexity has a way of working its way back to the owner.

Unusual repairs need approval. Insurance problems need decisions. Contractors need replacement. Tenant situations escalate. Documents need to be found. Something falls outside the property manager's normal process.

Every exception creates another decision.

Complexity Compounds With Portfolio Size

This probably matters even more as a portfolio grows.

One complicated property may not be a big deal.

Ten complicated properties can become a second job.

Twenty can become an organization.

That's made me wonder whether scalability should be evaluated at the property level before acquisition.

Not simply:

"Can I manage another property?"

But:

"What kind of property am I adding to the system?"

A relatively boring rental that behaves like the other properties you already own may be considerably easier to absorb than an unusual property offering a slightly higher projected return.

Standardization has value.

Predictability has value.

Fewer exceptions have value.

But none of those usually get their own line in an underwriting model.

Maybe the Highest Return Isn't the Best Return

Suppose you're comparing two deals.

Property A projects a 10% return but has unusual maintenance requirements, several additional vendors, more tenant turnover, and substantially more owner involvement.

Property B projects a 9% return but is extremely predictable and requires almost no attention.

Which one is actually the better investment?

Obviously there isn't a universal answer.

But I suspect many investors automatically choose Property A because the spreadsheet can measure the additional 1% while it can't easily measure the additional complexity.

That seems like a weakness in the way we evaluate deals.

The larger question I'm wrestling with is whether operational simplicity deserves to be treated as an actual investment characteristic, alongside location, condition, financing, tenant quality, and expected return.

I'm increasingly inclined to think it does.

I'd be interested to hear how other investors think about this.

Do you put any value on operational simplicity when underwriting a property, or do you consider that something to deal with after acquisition?