
Amazon FBA vs FBM: Complete Shipping Cost Analysis
Detailed comparison of FBA and FBM costs to help you choose the right fulfillment strategy.

FBA vs FBM: Which Saves More Money?
Understanding the true costs helps you make informed fulfillment decisions.
Cost Breakdown: Standard Size Item
| Cost Category | FBA | FBM (Self-Ship) |
|---|---|---|
| Storage (monthly) | $0.87/cu ft | $0 (your space) |
| Pick & Pack | $3.22 | $0.50 (labor) |
| Shipping to buyer | Included | $4.50-8.00 |
| Prep/Labeling | $0.55 | $0.10 |
| Total per unit | $4.64+ | $5.10-8.60 |
When FBM Wins
FBM is more cost-effective when:
- Items are large/heavy (FBA fees increase)
- You ship 50+ orders daily
- Products have low turnover
- You have efficient processes
FBM Shipping Savings with Atoship
| Weight | Amazon Buy Shipping | Atoship Rate | Savings |
|---|---|---|---|
| 1 lb | $5.80 | $4.10 | 29% |
| 2 lbs | $7.50 | $5.30 | 29% |
| 5 lbs | $12.80 | $9.00 | 30% |
| 10 lbs | $18.50 | $12.90 | 30% |
Break-Even Analysis
| Monthly Orders | Better Option |
|---|---|
| Under 100 | FBA |
| 100-500 | Depends on product |
| 500+ | FBM with discounts |
FBM Best Practices
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