Mid-term rental math: when 28-night stays beat nightly bookings

Two winters ago I switched one of my Tashkent apartments from nightly to a single 30-night stay for a contractor on a project. That month I did one turnover instead of six, answered four messages instead of forty, and netted about $90 more than the nightly average for the same unit. I spent the next quarter convinced mid-term was strictly better — until a different long-stay guest hit day 31, stopped replying, and I learned that in some places a guest who crosses a month stops being a guest and starts being a tenant.

This post is the math I should have run first, both halves of it: the side where mid-term quietly out-earns nightly, and the legal tripwire that can turn one bad booking into a three-month eviction.

Why hosts switch one unit to mid-term

The pitch nobody makes in the "passive income" videos: nightly hosting is a turnover business. Every stay is a clean, a restock, a key handoff, a fresh set of "what time is check-in?" messages, and a window where the calendar can double-book. Run six stays in a month and you run that loop six times.

A mid-term stay collapses the loop to once. That is the actual reason burned-out hosts switch a unit — not the headline revenue, the operational load. One clean instead of six. One guest to screen instead of six. Zero gap nights, because the month is sold as a block. Zero orphan nights wedged between bookings that you'd otherwise have to discount or eat — the exact problem I broke down in orphan night and gap night math.

So the question is never "is mid-term more glamorous." It is: does it cost me money to buy that calm, and if so, how much? For a lot of units the answer is that it costs nothing — it pays you.

The month, costed two ways

One unit. $100/night nominal rate. 30-day month. Fixed monthly operating cost — insurance, internet, the subscriptions, amortized maintenance — is $200. Platform fee is 15% of room revenue. Each turnover costs the host about $25 net: consumables restock, linen wear, and your coordination time, after the cleaning fee the guest pays covers the cleaner.

Column A — nightly, 75% occupancy

A realistic strong month: 22 booked nights across 6 separate stays, averaging 3.7 nights each. The other 8 nights are gaps, buffers, and orphans.

Column B — one 30-night stay at a 25% monthly discount

The mid-term guest expects a monthly rate, so the nightly rate drops to $75. But the unit sells every night, and there is one turnover, not six. Utilities are bundled in and a single occupant cooking, heating, and doing laundry for a month uses more than 22 nights of short stays — call that delta $70.

Mid-term nets $97.50 more — and does it with one turnover instead of six, no gap nights, and no double-booking exposure. The thing most hosts get wrong is assuming the 25% discount means 25% less money. It doesn't, because you are no longer paying the 25% occupancy tax of an empty quarter of the calendar. Full month at a discount beats a three-quarters-full month at list price.

The break-even

Solve for the nightly occupancy that matches the mid-term net of $1,617.50, and you land at roughly 77% — about 23 booked nights. That is the line. A unit that reliably clears 80%+ occupancy at full nightly rate is leaving money on the table by going mid-term. A unit grinding along at 60–70% — which is most units, most of the year, outside peak season — makes more money as a single monthly block, and makes it with a fraction of the work.

When nightly still wins

Mid-term is not a free lunch. Two cases flip the math hard the other way.

Peak season and event markets. Take the same unit in a high-demand month: 90% occupancy at a $140 nightly rate. That is 27 nights × $140 = $3,780 room revenue, roughly $2,838 net after seven turnovers, fees, and fixed cost. A mid-term guest at a 25% discount pays $105/night — $3,150 for the month, about $2,383 net. Nightly wins by $455 here, and it isn't close. When the calendar fills itself at a premium, every night you sell at a monthly discount is a night you underpriced.

Concentrated vacancy risk. Nightly demand is a stream; mid-term demand is a trickle. A nightly unit that loses one booking loses one stay. A mid-term unit that doesn't fill loses the entire month — $0, not 75% of something. Mid-term concentrates your vacancy risk into a single yes/no, and the months between long-stay guests can be brutal if you haven't kept the nightly listing warm.

The honest rule: mid-term wins below ~75% nightly occupancy and outside peak season. Run a unit hot and seasonal? Stay nightly. Run a unit that idles half the shoulder season? A 28+ night block is more money and far less work.

The 28-night tripwire: when a guest becomes a tenant

Here is the part that cost me a quarter of sleep. The money math says mid-term, but the legal math has a cliff at the one-month mark.

Airbnb's own threshold is 28 nights. At 28+ nights a reservation automatically switches to Airbnb's Long-Term cancellation policy and monthly-stay terms. The guest must give 30 days' notice to cancel and pays for those 30 days even if they leave early. Useful — but it also means you can no longer do a per-stay turnover inspection, your security deposit has to cover a month of accumulated risk, and you are exposed for far longer between resets.

The bigger cliff is tenancy law, and it has nothing to do with Airbnb. In much of the US, a guest who stays 30 consecutive days can establish residency and gain tenant protections — meaning you cannot simply change the locks or refuse re-entry. Removing them requires a formal eviction: notice period, court filing, sometimes months. The exact threshold varies by state and city (some are 30 days, a few are less), but "30 days" is the number to design around.

In the EU markets this site serves, the line is even thinner. A long stay can blur a short-term holiday let into a residential tenancy, and residential tenants carry strong notice-period rights that are slow and expensive to unwind. The exact framework differs by country, but the pattern is universal: the longer someone lives somewhere, the more the law treats it as their home, not your hotel room. Do not let a guest drift past the local threshold by accident on a month-to-month roll.

The defense is boring and it works: a screening pass before you accept (not just instant-book), and for any direct or off-platform mid-term arrangement, a written short-term occupancy agreement with a clear, dated end and a stated check-out — drafted to your local rules. The deposit and the paperwork are cheap; an eviction is not.

How to run a 28+ night stay without the downside

A short operational checklist for the units where the math says go mid-term:

1. Keep one turnover, add one mid-stay touch. A 30-night stay doesn't need a weekly clean, but a single mid-stay visit at day 14 — fresh linens, restock, a casual eyes-on — catches damage and quietly reasserts that this is a managed rental, not a residence.
2. Size the deposit for a month, not a night. A month of wear is a month of risk. AirCover and platform deposits still apply, but you only inspect at the end, so the deposit and your documentation have to carry more weight.
3. Know the payout schedule. Airbnb pays long-term hosts monthly: the first payout lands about 24 hours after check-in for month one, then on the monthly anniversary for each subsequent month. Budget for the gap — you are not getting the whole stay up front.
4. Cap the discount at what the vacancy is worth. 25% is a common monthly discount, but the right number is "whatever beats my expected nightly net for that month." For the discount-slider math at different occupancy levels, see length-of-stay discount math — it's the companion to this post.
5. Track both modes in one place. The unit you flip to mid-term still has a nightly listing to keep warm for the months between long-stay guests. One calendar, one occupancy number, both pricing modes visible at once is exactly what RentTools is for.

One opinionated take

Mid-term gets sold as the "easy mode" of hosting and dismissed as leaving money on the table, and both takes are lazy. The truth is narrower: for a unit that idles through the shoulder season at 60–70% occupancy, a single 28+ night block is more money and less work, and refusing to run it is just stubbornness dressed up as ambition. But the day you treat a long stay as low-stakes because it's "just one guest" is the day the math stops being about discounts and starts being about eviction notices. Run the numbers, set the discount against real occupancy, and never let a guest cross the one-month line by accident.