Aerial fly-through of a city grid of rental arbitrage opportunities on Stay Stax

Find rental-arbitrage deals where the spread works.

Then underwrite the lease — STR, mid-term, or hybrid.

Rental arbitrage,
underwritten.

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RENTAL ARBITRAGE — FIND, UNDERWRITE, OPERATE

Run the business like an operator, not a gambler.

Stay Stax is built for rental arbitrage: find deals where the lease-to-relet spread works, check legality and landlord permission, and underwrite the specific lease with conservative math — then run each unit as STR, mid-term, or hybrid. One platform for people who would rather see the evidence than buy the hype.

01

Find compliant deals, not just listings.

An opportunity map scores submarkets by spread, demand, and regulatory stability. Parcel-level zoning and ordinance monitoring flag where rentals are legal before you sign.

02

Underwrite with conservative math.

A nine-gate deal screener models effective rent after concessions, forward occupancy pacing, and a survival case at low occupancy. Deals pass only when they truly work.

03

Win the lease.

A landlord pipeline with personalized outreach scripts and concession intelligence that tells you how many free weeks to ask for, by market and season.

04

Operate the whole portfolio.

One queue ranked by dollar impact, lease-liability tracking, STR and mid-term-rental intelligence, a calendar with Google sync, and severity-routed alerts.

05

Evidence on every number.

Hover any figure to see its source and freshness. Nothing is hidden, nothing is inflated, and every number traces back to its source.

Orbiting parcel-level view of a scored rental arbitrage opportunity

Evidence on every number.

Nothing hidden. Nothing inflated.

PARCEL VIEW
SCORED · 2.23×
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Verdict gates every deal must clear

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Operating modules in one ranked queue

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Numbers with traceable evidence

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Coaching upsells, ever

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Built for rental arbitrage

Rental arbitrage, underwritten end to end.

Stay Stax specializes in rental arbitrage — finding units, underwriting the lease-to-relet spread, pitching landlords, and running the deal. The multi-strategy engine exists to sharpen that call: for any unit it weighs arbitrage against short-term and mid-term on the same property, so the decision is made against real numbers, not in a vacuum.

01

Find

Surface units where the lease-to-relet spread actually works, with leasability and sublet-permission signals built in.

02

Underwrite

Model the spread end to end: lease cost against forecasted STR and MTR revenue, furnishing, and operating costs, down to break-even.

03

Pitch

Generate the landlord proposal — sublet terms, risk controls, insurance language — built to get a yes.

04

Run

Operate the deal and flex the unit across strategies, season by season, to maximize the spread over the life of the lease.

Most tools either run your short-term rental or hand you a static “these buildings allow subleasing” list. Stay Stax underwrites the arbitrage deal end to end — and tells you the most profitable way to run each unit, and when.

For every property: arbitrage first, with short-term, mid-term, and hybrid modeled right beside it — and a seasonal allocation that shows which one wins each month.

What Stay Stax is

Furnished-rental opportunity intelligence, plus lease underwriting.

Built for furnished rental operators. Find where the opportunity is, then underwrite the specific lease.

1 · Opportunity intelligence

See where the rental-arbitrage deals are: lease-to-relet spread, demand classified STR vs mid-term, legality by parcel, and landlord sublet permission.

2 · Lease underwriting

Underwrite the arbitrage spread on a specific lease for STR or mid-term economics, with explicit gates and a pass/fail verdict you can defend.

The wedge: the Permission Layer →The market case →

Two strategies, one workflow

Short-term or mid-term, underwritten the same disciplined way.

STR — nightly

Demand from tourism, events, and airport traffic. Underwritten on nightly ADR and occupancy, with forward pacing and a conservative survival case.

MTR — monthly

Demand from travel nurses, corporate relocations, and insurance housing, with longer average stays. Underwritten on monthly rates rather than nightly turnover.

The honest mid-term edge

Most short-term-rental ordinances target stays under 30 days, so 30+ day mid-term rentals often fall outside them, which means mid-term can be viable in places where short-term is restricted. This is general guidance, not legal advice. Verify the rule for your specific address and city before you commit.

On an arbitrage unit, STR and mid-term are a toggle on the same lease, not two separate products. Stay Stax underwrites either across whatever control model you use — arbitrage (lease and re-rent, the lead play), ownership, or co-hosting an owner's unit for a fee.

The Permission Layer

The hard part isn't finding revenue data. It's knowing which landlords allow subleasing.

Stay Stax turns that into living, transparent, compliance-checked data, so you can work the landlords most likely to say yes instead of cold-calling your way through a list. Every signal carries its basis.

  • CONFIRMEDObserved

    A real sublet outcome on record, with the date it was verified.

  • LIKELYModeled

    Modeled from owner signals. A lead worth working, never sold as a yes.

  • UNKNOWNNo data

    No signal yet. Worth a call, with eyes open.

  • UNLIKELYModeled

    Owner signals lean no. Deprioritize before you spend the week.

  • PROHIBITEDObserved

    A documented no: a lease clause, a stated policy, or a prior refusal.

Observed means it is on record (a real outcome, with a date). Modeled is an estimate from owner signals, never presented as a confirmed yes.

Living, not a static list

Permission decays. Owners change, policies change, buildings change hands. A list assembled once is already stale by the time you act on it. Stay Stax's signal ages on purpose and re-verifies itself, so a CONFIRMED from two years ago does not quietly pass for a CONFIRMED today.

How the Permission Layer works →

The market thesis

The easy STR era is over. The market moved to commercial.

Saturation and residential-targeted regulation compressed the easy edge. Demand, pricing, and capital are shifting to commercial and mid-term rentals. Here is a sample of the evidence.

Read the full thesis, with sources →