You want inventory in the building, orders moving, and no gap in shipping while the switch happens. Signing with a Phoenix 3PL is the easy part. The thirty days after signing decide whether the move was worth making, and most of the problems that surface in month six were created in week one. Here is what a real onboarding looks like from inside AWD’s Phoenix warehousing operation.

Before Day One: What the Warehouse Needs From You

Onboarding stalls more often on missing paperwork than on anything operational. Nobody can slot product they have never seen specs for.

Have these ready before the first call:

  • A current SKU list with dimensions, weights, and case pack quantities
  • Twelve months of order history, plus a forecast for your peak
  • Your packaging standard, including inserts and any branded material
  • Carrier accounts and rates, if you are bringing your own
  • A certificate of insurance naming the warehouse as additionally insured

AWD sends this list before contracts are signed, because a Phoenix 3PL that waits until day one to ask has already cost you a week.

The Slotting Plan Comes Before the First Pallet

Where product sits determines what every pick costs for the life of the account. That decision gets made once, and it should get made from your order history rather than from whatever rack is empty.

AWD builds the slotting plan from your velocity data, putting fast movers near the pack line and slow movers deep, then walks the layout with you before freight arrives. Ask to see it. A Phoenix 3PL that cannot show you a slotting plan is planning to put your pallets wherever there is room.

Connecting Systems and Testing Order Flow

Nothing in onboarding carries more risk than the integration. Orders that never arrive, or arrive twice, are the failure that customers actually feel.

Work through it in this order:

  1. Connect the store platform or ERP in a test environment
  2. Map every SKU, then reconcile counts on both sides
  3. Push test orders and confirm they pick, pack, and manifest correctly
  4. Verify tracking posts back to the platform the same day

AWD runs this with the client watching, because a Phoenix 3PL that tests the integration alone will always report that it went fine.

What a Phoenix 3PL Should Commit to in Writing

Assurances given in a sales conversation are not a service level agreement. Get the numbers into the agreement itself.

Commitment What to ask for
Same-day ship cutoff A stated time, and what happens when it is missed
Order accuracy A target, with monthly reporting against it
Receiving turnaround Hours or days from dock to sellable inventory
Inventory accuracy Cycle count frequency and variance tolerance

AWD documents these up front. Where transportation is part of the scope, confirm the carrier’s active interstate authority and insurance on file before go-live rather than after a claim.

Transferring Inventory Without Going Dark

Nobody wants a week of unshipped orders while pallets sit on the road. The transfer gets staged, not flipped.

Send a partial shipment first, run both operations in parallel, and route a small share of live orders to the new building while you audit every one. AWD moves the balance only once accuracy holds, and schedules inbound around its own distribution and transportation capacity so the dock never becomes the bottleneck.

Go-Live, Then the First Real Peak

Go-live is not the finish line. An account is only proven once it survives a volume spike. Phoenix sits on the corridors carrying most Southwest freight, and regional corridor planning shapes outbound transit times more than most brands expect when they pick a city.

A good Phoenix 3PL forecasts your peak with you, staffs for it, and says in advance what it cannot absorb. AWD would rather have that conversation in September than in the middle of December.

Thirty days of structured onboarding buys years of not thinking about shipping. If you are evaluating a Phoenix 3PL and want to see the onboarding plan before committing to anything, request a quote from AWD and ask for it by name. Done properly, your first peak passes without a phone call. Done carelessly, you spend the fourth quarter explaining late orders to customers who do not care whose fault it was.