Every business that needs US warehouse space faces the same fork: pay a third party to store and ship your goods, or take a building and run it yourself. Nearly everything else — location, cost structure, hiring, how fast you can launch — follows from this one decision.
The honest answer for most first-time entrants is a 3PL. Not because owning your operation is worse, but because the conditions that make a dedicated warehouse pay off are specific, and most businesses don't meet them yet.
What each model actually is
A third-party logistics provider (3PL) stores your inventory in their building alongside other clients' goods, and picks, packs, and ships your orders. You pay for what you use: typically a receiving fee, a monthly storage fee per pallet or bin, a pick-and-pack fee per order and per item, plus shipping. No lease, no equipment, no staff.
Your own lease means you sign for a building — commonly three to five years or longer for industrial space — and take on everything inside it: racking, forklifts, a warehouse management system, insurance, and a team to run it. You control the whole operation and you carry the whole fixed cost.
There's a middle option worth knowing about: a dedicated 3PL arrangement, where a provider operates space and staff exclusively for you. It costs more than shared 3PL and less flexibly, but it buys control without a lease on your balance sheet. It usually only becomes available at meaningful volume.
The structural difference: fixed versus variable cost
This is the crux, and it's not really about which is cheaper per unit.
A 3PL converts warehousing into a variable cost. Ship nothing in January and you pay storage and little else. Your own building is a fixed cost that arrives every month regardless of volume — rent, the pass-through charges on top of it, and a payroll you can't scale down as fast as demand falls.
Per unit, a 3PL is almost always more expensive at steady high volume. That premium is what you pay for the option to be wrong about your forecast. Early on, when your forecast is genuinely uncertain, that option is worth a great deal. Once volume is high, stable, and predictable, you're paying a premium for insurance you no longer need — and the fixed-cost model wins.
What pushes you toward a 3PL
You're new to the US market. You don't yet know which region you should be shipping from. A 3PL lets you find out — and switch, or add a second node — without breaking a lease.
Your volume is low or highly seasonal. If your peak month is several times your trough, a building sized for peak sits underused most of the year while you pay for all of it.
You're based outside the US and don't have US credit history. This is the underrated one. Landlords underwrite tenants. A foreign company with no US operating history will often be asked for a large deposit, a letter of credit, or a parent-company guarantee before anyone hands over a building. A 3PL contract clears a much lower bar, and you can typically be live in weeks rather than months.
You need to launch quickly. Site selection, lease negotiation, build-out, racking, hiring, and systems integration is a long road. A 3PL can often onboard you inside a quarter.
Your operation is straightforward. Standard cartons, standard pick-and-pack, nothing exotic. This is precisely what shared 3PL infrastructure is built to do efficiently.
What pushes you toward your own building
Volume is high, stable, and forecastable. Once per-unit 3PL fees on predictable volume exceed the all-in cost of running your own space, the math flips — and it keeps flipping further in your favor as you grow.
Your process is unusual. Kitting, custom assembly, refurbishment, serialized tracking, regulated or hazardous goods, unusual packaging. Anything a 3PL has to treat as an exception gets priced as one, and the surcharges compound.
The customer experience is part of the product. Custom packaging, inserts, gift wrapping, precise unboxing — a shared facility will do it, but rarely as well or as cheaply as a team that only does your work.
You need real-time control. When something goes wrong in a 3PL, you file a ticket. In your own building, you walk onto the floor. For some businesses that difference is operational noise; for others it's the whole game.
Your inventory is high-value or sensitive. Custody, security standards, and access control are far easier to guarantee when you own the process end to end.
Comparing costs honestly
Most comparisons flatter the in-house option because they compare 3PL invoices against rent. Rent is a fraction of the real number. To compare properly, build the in-house side to include:
- Base rent plus the triple-net pass-throughs — taxes, insurance, common area maintenance — which are billed on top of quoted rent in most US industrial leases
- Racking, forklifts, dock equipment, and their maintenance
- A warehouse management system and the integration work to connect it
- Payroll, fully loaded: wages plus employer taxes, benefits, and recruiting
- Supervision and management time, including yours
- Packaging materials and consumables
- Insurance on the building, the goods, and the operation
- Utilities
- Build-out costs not covered by a landlord allowance
Then, critically, compare against your realistic volume rather than your ambitious one — and stress-test it. Ask what each model costs if you hit sixty percent of forecast. That question usually settles the decision faster than the base case does.
The switching cost runs one way
Moving from a 3PL to your own building is a normal, planned graduation. You give notice, stand up the new operation, and transfer inventory.
Going the other direction, mid-lease, is expensive. You're paying rent on a building you no longer want while paying a 3PL to do the same work, until you can sublease or negotiate an exit — and neither is quick.
That asymmetry is a real argument for starting with a 3PL when the decision is genuinely close. The cost of being wrong is much lower in that direction.
A practical sequence
Most businesses that get this right follow the same arc:
- Enter with a 3PL. Learn where your demand actually is, what your real volume looks like, and where your process breaks.
- Stay long enough to have real data. A full annual cycle, including peak, tells you things a forecast can't.
- Reassess when per-unit fees start to sting. That's the signal to model your own building seriously — with the full cost list above.
- Graduate into a lease in your proven best location, sized for the volume you can actually defend, with expansion rights if you can negotiate them.
The businesses that struggle are usually the ones that signed a five-year lease on month one, in a location chosen before they had any demand data, sized for a forecast that didn't materialize.
The short version
Choose a 3PL if you're new to the US, uncertain about volume or location, lacking US credit history, or moving fast. Choose your own building when volume is high and stable, your process is genuinely specialized, or control is a competitive advantage rather than a preference.
If you can't decide, start with the 3PL. It's the reversible choice.