VaultSTROur take
Rental arbitrage — lease a unit long-term, furnish it, re-rent it nightly — is the most heavily marketed entry point into short-term rentals because it has the lowest sticker price, not because it has the best risk-adjusted return. The model is legitimate: professional operators run hundreds of arbitrage units profitably. The version sold in $997 courses — “no money, no credit, passive income” — is not the model, it is the marketing.
Honest numbers: a real arbitrage launch costs $15,000–$40,000 (deposits, furniture, supplies, working capital), carries a lease obligation measured in tens of thousands, and earns the spread between nightly revenue and rent only while occupancy, regulations, and the landlord all cooperate.
The model, stripped of marketing
You sign a 12–24 month lease with written STR consent, furnish the unit, list it, and operate it exactly like an owned STR — same tools, same revenue analysis, same guest operations. Your return is revenue minus rent, operating costs, and the amortized launch cost. No appreciation, no principal paydown, no depreciation on the building, no tax-loss strategy — furniture depreciates; the asset compounding for someone else’s balance sheet is the landlord’s.
The math that decides it
The unit needs projected annual revenue of roughly 1.7–2× annual rent to be worth the risk. At $2,500/month rent ($30,000/year), that means $51,000–$60,000 of bookings — checked against real comps, not a listing screenshot. Under 1.5×, the operator is working a hospitality job for free. Our deal desk’s revenue data across 196 underwritten properties shows how wide the spread runs between median markets and the tails.
The three risks that kill it
Consent risk. Verbal permission is worthless; sub-letting clauses default against you. The lease needs explicit STR language, and buildings change management. Regulatory risk. Arbitrage concentrates in cities — exactly where permits, primary-residence rules, and caps bite hardest. An owner can pivot a banned unit to mid-term; an arbitrage operator eats the lease. Check regulations before signing anything. Concentration risk. One unit’s fixed rent against variable revenue is a leveraged bet on occupancy; professionals survive because unit twelve covers unit three’s bad quarter.
Arbitrage vs. buying
Same operating skill, different balance sheet. Buying at 10% down on a $400,000 property costs 2–3× an arbitrage launch but adds appreciation, principal paydown, tax depreciation, and control. The honest comparison for a capital-constrained beginner is not arbitrage vs. buying today — it is arbitrage now vs. buying eighteen months later with saved capital. Run both through the pro forma builder; the ownership column usually wins unless the arbitrage spread is exceptional.
What to tell your client
An agent’s arbitrage conversation is a seed, not a sale: “The spread on this unit works, but you are building someone else’s equity. Operate it for a year, learn the market, and we convert the track record into a DSCR loan on your own property — lenders underwrite the operating history you are about to create.” Arbitrage operators are next year’s buyers; treat them that way.
Bottom line
A legitimate operating business with real startup costs, real lease liability, and no equity upside — viable at a 1.7×+ revenue-to-rent spread with written consent in a stable regulatory market, as a bridge to ownership. Anyone quoting “no money down” is describing their course funnel, not the business.