When self-managing genuinely makes sense
It makes sense when you live near the property, you have the time and the temperament for it, you have a lease and a screening process you are confident in, you already have trades you trust who answer the phone, and you are willing to keep current with landlord–tenant law.
Plenty of owners meet that description, and a well-run self-managed rental is a perfectly good business. Anyone who tells you every owner needs a manager is selling.
It stops making sense at distance, at scale, and at the point where the time cost is real. It also stops making sense if you cannot separate the business from the relationship — the most expensive self-managed tenancies I have been called into were ones where an owner let arrears accumulate for months because a difficult conversation kept being postponed.
What the fee is actually buying
Owners compare management fees as a percentage, which makes every firm look like the same product at a different price. It is not the same product.
What you are paying for is: a lease that is current with Arizona law and actually enforceable; a written screening standard applied identically to every applicant, and the fair housing exposure that comes with getting that wrong sitting with a licensed brokerage rather than with you; maintenance coordination with trades who answer at 11pm in July; rent collection and the willingness to enforce the lease early rather than late; trust accounting and record keeping; correct notices served correctly the first time; and a reduction in vacancy that, if it is real, frequently exceeds the fee on its own.
The last of those is the one to test rather than accept. Ask for evidence.
Read the whole fee structure, not the headline
The management percentage is one line. Ask specifically about the leasing fee and what triggers it, the renewal fee, whether the management fee is charged on collected rent or on scheduled rent — that difference matters exactly when things go wrong — any markup applied to maintenance invoices, the setup fee, the vacancy or minimum fee, inspection fees, any charge for handling an eviction, and the termination terms including notice and any penalty.
None of those are unreasonable in themselves. What is unreasonable is finding out about them in month three. A firm that answers all of them plainly and in writing is telling you something useful about how it will handle the rest of the relationship.
The questions I would ask a firm I was interviewing
Who is the designated broker, and what is the licence number? Property management for others in Arizona is regulated activity. You are entitled to know who is supervising it and to verify the licence with the Arizona Department of Real Estate.
Is my money held in a trust account, and how are owner funds kept separate from operating funds? Who signs off on a repair, and at what threshold do you need my approval?
What does your rent recommendation rest on — show me the leased comparables, not a range. Who answers the phone at 2am, and what is the emergency standard? How often is the property inspected, and do I get photographs?
What is your process when rent is late, and on what day does it start? That last one is more diagnostic than it sounds. A firm that starts on day six and a firm that starts in week three will produce very different outcomes on the same tenancy, and only one of them is managing the risk you hired them for.
How to compare the two honestly
Put the real numbers side by side. On the self-managed side, count the fee you are not paying, and then subtract the value of your own time at a rate you would actually accept, plus the cost of any vacancy you carry longer than a firm with a leasing operation would, plus what you spend on trades without volume pricing, plus your own legal exposure.
On the managed side, count the whole fee structure from the question above, and then subtract the vacancy days a competent firm actually saves you, the maintenance caught early instead of late, and the compliance risk that moves off your shoulders.
That comparison lands differently for different owners, and it should. One property ten minutes from your house is a different decision from four properties across the Valley while you work full time. Do the arithmetic for your situation rather than accepting a general answer — including mine.