Why Prepvia
The Metrics That Decide If a Business Scales or Stalls
The logistics model you choose directly affects monthly profit, revenue velocity, cost behavior at scale, expansion capability, operational workload, and long-term business valuation. This is especially true for Amazon-first operations where inbound speed, shipment creation time, prep execution, and error control directly affect how fast inventory becomes sellable. The table below compares four logistics models and shows which one removes the most growth bottlenecks.
What This Comparison Measures
Monthly Profitability
How logistics affects margins, fees, rework, and monthly net results.
Cycle Speed
How fast inventory moves from arrival to ready-for-sale.
Revenue Velocity
How quickly inventory turns into revenue after it enters the PrepVia tracking app.
Cost Behavior at Scale
How costs grow with volume, including labor dependency, inbound fees, storage billing, and error handling.
Expansion Capability
How easily the operation can grow without breaking execution.
Operational Workload
How much coordination, firefighting, and manual work growth requires.
These metrics are not driven by marketing. They are driven by execution.
The index below measures execution mechanics that affect Amazon FBA prep performance, ecommerce fulfillment speed, and logistics automation maturity.
Logistics Growth Speed Index
| Criterion | DIY | Own Warehouse | Traditional 3PL | PrepVia |
|---|---|---|---|---|
Prep Execution Speed | DIY, Prep Execution Speed: 2 out of 5 | Own Warehouse, Prep Execution Speed: 3 out of 5 | Traditional 3PL, Prep Execution Speed: 3 out of 5 | PrepVia, Prep Execution Speed: 5 out of 5 |
End-to-End Logistics Turnaround Time | DIY, End-to-End Logistics Turnaround Time: 2 out of 5 | Own Warehouse, End-to-End Logistics Turnaround Time: 3 out of 5 | Traditional 3PL, End-to-End Logistics Turnaround Time: 3 out of 5 | PrepVia, End-to-End Logistics Turnaround Time: 5 out of 5 |
Time to Create Amazon FBA Shipments | DIY, Time to Create Amazon FBA Shipments: 1 out of 5 | Own Warehouse, Time to Create Amazon FBA Shipments: 2 out of 5 | Traditional 3PL, Time to Create Amazon FBA Shipments: 3 out of 5 | PrepVia, Time to Create Amazon FBA Shipments: 5 out of 5 |
Placement Fee Advantage for Amazon FBA | DIY, Placement Fee Advantage for Amazon FBA: 1 out of 5 | Own Warehouse, Placement Fee Advantage for Amazon FBA: 1 out of 5 | Traditional 3PL, Placement Fee Advantage for Amazon FBA: 3 out of 5 | PrepVia, Placement Fee Advantage for Amazon FBA: 5 out of 5 |
Receiving Turnaround Time | DIY, Receiving Turnaround Time: 2 out of 5 | Own Warehouse, Receiving Turnaround Time: 3 out of 5 | Traditional 3PL, Receiving Turnaround Time: 3 out of 5 | PrepVia, Receiving Turnaround Time: 5 out of 5 |
Inbound Receiving and Inspection Cost | DIY, Inbound Receiving and Inspection Cost: 2 out of 5 | Own Warehouse, Inbound Receiving and Inspection Cost: 2 out of 5 | Traditional 3PL, Inbound Receiving and Inspection Cost: 2 out of 5 | PrepVia, Inbound Receiving and Inspection Cost: 5 out of 5 |
Accuracy Rate and Error Control | DIY, Accuracy Rate and Error Control: 4 out of 5 | Own Warehouse, Accuracy Rate and Error Control: 4 out of 5 | Traditional 3PL, Accuracy Rate and Error Control: 5 out of 5 | PrepVia, Accuracy Rate and Error Control: 5 out of 5 |
Capacity Output Units per Hour | DIY, Capacity Output Units per Hour: 1 out of 5 | Own Warehouse, Capacity Output Units per Hour: 2 out of 5 | Traditional 3PL, Capacity Output Units per Hour: 3 out of 5 | PrepVia, Capacity Output Units per Hour: 5 out of 5 |
Peak Volume Handling | DIY, Peak Volume Handling: 1 out of 5 | Own Warehouse, Peak Volume Handling: 2 out of 5 | Traditional 3PL, Peak Volume Handling: 4 out of 5 | PrepVia, Peak Volume Handling: 4 out of 5 |
Scaling Without Hiring | DIY, Scaling Without Hiring: 1 out of 5 | Own Warehouse, Scaling Without Hiring: 1 out of 5 | Traditional 3PL, Scaling Without Hiring: 2 out of 5 | PrepVia, Scaling Without Hiring: 5 out of 5 |
Workflow System Maturity | DIY, Workflow System Maturity: 1 out of 5 | Own Warehouse, Workflow System Maturity: 3 out of 5 | Traditional 3PL, Workflow System Maturity: 3 out of 5 | PrepVia, Workflow System Maturity: 4 out of 5 |
Freight Integration API-Driven | DIY, Freight Integration API-Driven: 1 out of 5 | Own Warehouse, Freight Integration API-Driven: 2 out of 5 | Traditional 3PL, Freight Integration API-Driven: 3 out of 5 | PrepVia, Freight Integration API-Driven: 5 out of 5 |
Prep Cost Efficiency | DIY, Prep Cost Efficiency: 2 out of 5 | Own Warehouse, Prep Cost Efficiency: 3 out of 5 | Traditional 3PL, Prep Cost Efficiency: 3 out of 5 | PrepVia, Prep Cost Efficiency: 4 out of 5 |
Freight Cost Efficiency | DIY, Freight Cost Efficiency: 1 out of 5 | Own Warehouse, Freight Cost Efficiency: 2 out of 5 | Traditional 3PL, Freight Cost Efficiency: 3 out of 5 | PrepVia, Freight Cost Efficiency: 4 out of 5 |
Storage Billing Model (Daily vs Monthly) | DIY, Storage Billing Model (Daily vs Monthly): 1 out of 5 | Own Warehouse, Storage Billing Model (Daily vs Monthly): 1 out of 5 | Traditional 3PL, Storage Billing Model (Daily vs Monthly): 2 out of 5 | PrepVia, Storage Billing Model (Daily vs Monthly): 5 out of 5 |
Physical Storage Capacity | DIY, Physical Storage Capacity: 1 out of 5 | Own Warehouse, Physical Storage Capacity: 4 out of 5 | Traditional 3PL, Physical Storage Capacity: 5 out of 5 | PrepVia, Physical Storage Capacity: 3 out of 5 |
Geographic Footprint (Locations) | DIY, Geographic Footprint (Locations): 1 out of 5 | Own Warehouse, Geographic Footprint (Locations): 1 out of 5 | Traditional 3PL, Geographic Footprint (Locations): 4 out of 5 | PrepVia, Geographic Footprint (Locations): 1 out of 5 |
SLA Consistency | DIY, SLA Consistency: 2 out of 5 | Own Warehouse, SLA Consistency: 3 out of 5 | Traditional 3PL, SLA Consistency: 3 out of 5 | PrepVia, SLA Consistency: 5 out of 5 |
Exception Handling Speed | DIY, Exception Handling Speed: 2 out of 5 | Own Warehouse, Exception Handling Speed: 3 out of 5 | Traditional 3PL, Exception Handling Speed: 3 out of 5 | PrepVia, Exception Handling Speed: 5 out of 5 |
Time to Onboard and Go Live | DIY, Time to Onboard and Go Live: 4 out of 5 | Own Warehouse, Time to Onboard and Go Live: 2 out of 5 | Traditional 3PL, Time to Onboard and Go Live: 2 out of 5 | PrepVia, Time to Onboard and Go Live: 5 out of 5 |
Prep Execution Speed
End-to-End Logistics Turnaround Time
Time to Create Amazon FBA Shipments
Placement Fee Advantage for Amazon FBA
Receiving Turnaround Time
Inbound Receiving and Inspection Cost
Accuracy Rate and Error Control
Capacity Output Units per Hour
Peak Volume Handling
Scaling Without Hiring
Workflow System Maturity
Freight Integration API-Driven
Prep Cost Efficiency
Freight Cost Efficiency
Storage Billing Model (Daily vs Monthly)
Physical Storage Capacity
Geographic Footprint (Locations)
SLA Consistency
Exception Handling Speed
Time to Onboard and Go Live
Total Growth Score
Based on 20 criteria, max score 100
Two honest trade-offs are visible:
- Traditional 3PL scores higher on physical storage capacity and geographic footprint
- PrepVia is optimized for velocity and execution, not long-term idle storage or multi-location sprawl
99.9%
Shipment Accuracy Rate
All disputed cases resolved in seller's favor
- Amazon SPN verified provider
- Meets Amazon infrastructure standards
- Operational excellence certified
How Scoring Was Assigned
Click on each criterion to see the detailed explanation for how each model was scored.
Prep Execution Speed
DIY
Slower because prep speed depends on manual labor and available time. Score 2.
Own Warehouse
Faster than DIY but still staff-dependent and bottlenecked by internal workflow. Score 3.
Traditional 3PL
Queue-based execution and shared capacity. Score 3.
PrepVia
Automation-assisted prep with a defined 24 to 36 hour prep SLA for eligible workflows. Score 5.
End-to-End Logistics Turnaround Time
DIY
Arrival-to-ready-for-sale depends on manual steps and time gaps. Score 2.
Own Warehouse
Better control but still variable and labor dependent. Score 3.
Traditional 3PL
Standard intake plus queue time across multiple clients. Score 3.
PrepVia
Designed to compress inbound, prep, and dispatch readiness into a short execution window. Score 5.
Time to Create Amazon FBA Shipments
DIY
Manual shipment creation, repeated admin steps, and frequent rework. Score 1.
Own Warehouse
Still manual, but process can be standardized internally. Score 2.
Traditional 3PL
Some tooling, but still coordination-heavy. Score 3.
PrepVia
Automated shipment creation flow designed to be configured once and reused. Score 5.
Placement Fee Advantage for Amazon FBA
DIY
Usually treated as a cost to avoid, not a lever to optimize. Score 1.
Own Warehouse
Same dynamic as DIY. Score 1.
Traditional 3PL
Some ability to route, but typically not built as a strategy layer. Score 3.
PrepVia
Placement fees used strategically to optimize velocity and inbound execution. Score 5.
Receiving Turnaround Time
DIY
Limited receiving windows and manual intake. Score 2.
Own Warehouse
Better control but still constrained by staff and dock scheduling. Score 3.
Traditional 3PL
Standard receiving windows and intake queues. Score 3.
PrepVia
Scheduled receiving built for fast intake into workflow. Score 5.
Inbound Receiving and Inspection Cost
DIY
You pay via time and labor. Not itemized, but still real cost. Score 2.
Own Warehouse
You pay via payroll and overhead. Not itemized, but still real. Score 2.
Traditional 3PL
Commonly charged as separate line items for receiving and inspection. Score 2.
PrepVia
Inbound receiving and inspection included as part of the workflow, not charged separately. Score 5.
Accuracy Rate and Error Control
DIY
High attention possible, but inconsistent and labor dependent. Score 4.
Own Warehouse
Strong control if process is mature. Score 4.
Traditional 3PL
Many are strong here due to standard QA. Score 5.
PrepVia
Workflow-driven QA with operational controls. Score 5.
Capacity Output Units per Hour
DIY
Limited by personal throughput. Score 1.
Own Warehouse
Improved but limited by staff and layout. Score 2.
Traditional 3PL
Higher throughput, but shared. Score 3.
PrepVia
Automation-assisted throughput capability designed for high output. Score 5.
Peak Volume Handling
DIY
Peaks break the operation. Score 1.
Own Warehouse
Peaks require urgent hiring and overtime. Score 2.
Traditional 3PL
Larger footprint handles peaks better. Score 4.
PrepVia
Elastic labor plus automation supports peaks while maintaining execution speed. Score 4.
Scaling Without Hiring
DIY
Scaling requires linear personal effort. Score 1.
Own Warehouse
Scaling requires headcount growth. Score 1.
Traditional 3PL
Some leverage but still labor heavy. Score 2.
PrepVia
Automation reduces linear dependency on labor for output growth. Score 5.
Workflow System Maturity
DIY
Manual coordination and spreadsheets. Score 1.
Own Warehouse
Can be strong with a good WMS, varies heavily. Score 3.
Traditional 3PL
Basic systems, often limited visibility and exception delays. Score 3.
PrepVia
Mature automation-first workflow, scored conservatively as 4 rather than 5. Score 4.
Freight Integration API-Driven
DIY
Manual broker work. Score 1.
Own Warehouse
Some broker relationships, still manual. Score 2.
Traditional 3PL
Partial freight support, often limited. Score 3.
PrepVia
Freight Facilitator integrated into the execution workflow. Score 5.
Prep Cost Efficiency
DIY
Low efficiency due to manual labor and low leverage. Score 2.
Own Warehouse
Better efficiency, but fixed overhead. Score 3.
Traditional 3PL
Standard market pricing and add-ons. Score 3.
PrepVia
Automation improves cost behavior, scored conservatively as 4. Score 4.
Freight Cost Efficiency
DIY
Weak lane optimization. Score 1.
Own Warehouse
Moderate capability. Score 2.
Traditional 3PL
Standard lane options. Score 3.
PrepVia
Freight optimization, scored conservatively as 4. Score 4.
Storage Billing Model (Daily vs Monthly)
DIY
No formal daily alignment. Score 1.
Own Warehouse
Monthly fixed overhead. Score 1.
Traditional 3PL
Often monthly tiers. Score 2.
PrepVia
Daily billing aligned with inventory velocity. Score 5.
Physical Storage Capacity
DIY
Limited. Score 1.
Own Warehouse
Strong if the lease is large, still single-site. Score 4.
Traditional 3PL
Designed for bulk storage. Score 5.
PrepVia
Built for velocity rather than idle bulk storage. Score 3.
Geographic Footprint (Locations)
DIY
Single location. Score 1.
Own Warehouse
Single location. Score 1.
Traditional 3PL
Multiple locations common. Score 4.
PrepVia
Single centralized location by design. Score 1.
SLA Consistency
DIY
Variable. Score 2.
Own Warehouse
Better control but still internal variability. Score 3.
Traditional 3PL
Queue variability. Score 3.
PrepVia
Operational SLA enforced through workflow. Score 5.
Exception Handling Speed
DIY
You can respond fast, but it consumes workload and is inconsistent. Score 2.
Own Warehouse
Moderately strong with process. Score 3.
Traditional 3PL
Ticket queues slow exceptions. Score 3.
PrepVia
Workflow-driven exceptions designed for fast resolution. Score 5.
Time to Onboard and Go Live
DIY
Fast because there is no onboarding. Score 4.
Own Warehouse
Slow because systems, staff, and space must be set up. Score 2.
Traditional 3PL
Often slower due to onboarding steps and integration delays. Score 2.
PrepVia
Self-onboarding plus guided setup allows fast go-live. Score 5.
Method Notes and Data Integrity
Transparent methodology for reliable insights
No Fake Precision
This index is built to avoid fake precision.
Typical Operating Conditions
Scores represent typical operating conditions at scale.
Market Reality Scoring
Where a factor varies widely, scoring reflects common reality across the market.
Explicit Trade-offs
Two explicit trade-offs are included: storage capacity and geographic footprint.
Growth Bottlenecks
The purpose is to make growth bottlenecks visible quickly.
Practical Insights
Not to publish perfect dollar values, but actionable insights.