Amazon sellers have two main fulfillment options: Amazon FBA warehouses and third-party overseas warehouses. Each has distinct advantages, costs, and use cases. Choosing the wrong option can cost you thousands in unnecessary fees.
This guide compares both options to help you make the right decision for your business.
What Is an Amazon FBA Warehouse?
An Amazon FBA (Fulfillment by Amazon) warehouse is Amazon's own fulfillment center where: - You send inventory to Amazon's warehouse - Amazon stores, picks, packs, and ships your products to customers - Amazon handles customer service and returns - Products are eligible for Prime shipping and Buy Box
Key features: - Amazon controls the entire fulfillment process - Products get the "Prime" badge (free 1–2 day shipping) - Amazon handles customer service and returns - Fees are per-unit (fulfillment + storage)
What Is an Overseas Warehouse?
An overseas warehouse (also called a third-party warehouse or 3PL) is a privately operated warehouse in your target market (typically USA or Europe) where: - You ship inventory from China to the warehouse - The warehouse stores your products - You (or the warehouse) handle order fulfillment - You can fulfill orders on Amazon, Shopify, eBay, Walmart, and other platforms
Key features: - You control the fulfillment process (or outsource to 3PL) - Can fulfill multi-channel orders (Amazon + Shopify + eBay) - More flexible storage options - Lower storage fees (typically) - You handle (or pay for) customer service and returns
Key Differences Comparison
| Factor | Amazon FBA Warehouse | Overseas Warehouse (3PL) |
|---|---|---|
| Prime eligibility | ✅ Yes — Prime badge | ❌ No (unless Seller Fulfilled Prime) |
| Buy Box advantage | ✅ Higher priority | ⚠️ Lower priority |
| Storage fees | $0.83–2.40/cu.ft./month (off-peak); $2.40–6.90 (peak) | $0.50–1.50/cu.ft./month |
| Fulfillment fee | $3.06–25+ per unit | $2.00–8.00 per unit (varies by 3PL) |
| Multi-channel fulfillment | Amazon MCF (extra fees) | ✅ Any platform |
| Returns handling | ✅ Automatic | ⚠️ Manual or extra fee |
| Customer service | ✅ Amazon handles | ❌ You handle |
| Storage limits | Based on IPI score | Unlimited (pay for what you use) |
| Long-term storage fees | ✅ Yes (181+ days) | ❌ No |
| Inventory prep | Must meet FBA requirements | More flexible |
| Shipping speed | 1–2 days (Prime) | 2–5 days (varies) |
| Branding | Amazon-branded packaging | Custom packaging available |
| Minimum order | None | Varies by 3PL |
| Setup time | Quick (existing Amazon account) | 1–2 weeks (account setup) |
Advantages of Amazon FBA
- Prime Badge: Products eligible for Amazon Prime free 1–2 day shipping — significantly higher conversion rates (typically 2–3x non-Prime)
- Buy Box Priority: FBA listings get Buy Box priority over FBM (Fulfilled by Merchant) listings
- Hassle-Free Operations: Amazon handles picking, packing, shipping, returns, and customer service
- Customer Trust: Customers trust Amazon's fulfillment — higher purchase confidence
- Amazon MCF: Can fulfill orders from Shopify, eBay, Walmart through Amazon MCF (Multi-Channel Fulfillment)
- No Infrastructure Needed: No warehouse, no staff, no shipping software required
- Fast Growth: Easy to scale — just send more inventory to FBA
- Advertising Benefits: FBA products may get advertising placement advantages
Advantages of Overseas Warehouses
- Lower Storage Costs: Typically 40–70% cheaper than FBA storage fees
- No Long-Term Storage Fees: Store inventory as long as you want without penalties
- Multi-Channel Fulfillment: Fulfill orders from Amazon, Shopify, eBay, Walmart, and direct-to-consumer from one warehouse
- No IPI Score Restrictions: Store unlimited inventory without Amazon's storage limits
- Custom Branding: Use custom packaging, inserts, and thank-you notes
- Lower Fulfillment Fees: For large/heavy products, 3PL fulfillment can be 30–50% cheaper than FBA
- Flexible Inventory Management: Store bulk inventory and replenish FBA in smaller batches
- Returns Processing: Some 3PLs inspect and re-package returns for resale
- FBA Prep: Many overseas warehouses offer FBA prep — store, prep, and forward to FBA as needed
- Avoid Peak Season FBA Delays: During Q4, FBA receiving can take 7–14 days; 3PLs are typically faster
When to Use FBA vs Overseas Warehouse
Choose Amazon FBA When:
| Scenario | Why FBA Is Better |
|---|---|
| Selling exclusively on Amazon | Prime badge and Buy Box priority are critical |
| Products under 2 lb | FBA fulfillment fees are competitive for small items |
| High competition category | Prime badge gives conversion advantage |
| New Amazon seller | No need for separate fulfillment infrastructure |
| Products with high return rates | Amazon handles returns automatically |
| Want hands-off operations | Amazon handles everything end-to-end |
Choose Overseas Warehouse When:
| Scenario | Why 3PL Is Better |
|---|---|
| Selling on multiple platforms (Amazon + Shopify + eBay) | One warehouse fulfills all channels |
| Large/heavy products | 3PL storage and fulfillment are much cheaper |
| Slow-moving inventory | No long-term storage fees |
| Need custom packaging/branding | 3PL allows custom boxes and inserts |
| FBA storage limits too restrictive | 3PL has unlimited storage |
| Need to buffer inventory in the US | Store bulk at 3PL, replenish FBA as needed |
| Selling on Walmart/eBay | Direct fulfillment from US warehouse |
| Products requiring special handling | 3PLs offer more flexible prep options |
Hybrid Strategy: Using Both Together
Many successful sellers use a hybrid model — combining FBA and overseas warehouse:
How the Hybrid Model Works
China Factory → Overseas Warehouse (US) → Amazon FBA (small batches)
↓
Direct-to-Consumer (Shopify, eBay, Walmart)
- Ship bulk inventory from China to overseas warehouse (sea freight, low cost per unit)
- Overseas warehouse stores bulk inventory (low storage fees, no FBA limits)
- Replenish FBA in small batches (as needed, based on sales velocity)
- Fulfill non-Amazon orders from overseas warehouse (Shopify, eBay, Walmart)
Benefits of Hybrid Model
| Benefit | Description |
|---|---|
| Lower total storage cost | Bulk stored at cheaper 3PL rates; only active stock at FBA |
| Avoid FBA long-term fees | Slow-moving inventory stays at 3PL, not FBA |
| Faster FBA replenishment | US-to-US shipping (1–3 days) vs China-to-US (20–35 days) |
| Multi-channel capability | One warehouse for all platforms |
| Flexibility | Adjust FBA inventory levels without importing from China each time |
Cost Comparison Example
Scenario: 1,000 units, stored for 3 months, 300 units sold/month
Option A: All Inventory at Amazon FBA
| Cost Item | Amount |
|---|---|
| Freight (China → FBA) | $2,000 |
| FBA storage (1,000 units × 3 months) | $600 |
| FBA fulfillment (900 units × $4.95) | $4,455 |
| Long-term storage (100 units, 181+ days) | $50 |
| Total cost | $7,105 |
| Cost per unit sold (900 units) | $7.89 |
Option B: Hybrid Model (300 at FBA, 700 at 3PL)
| Cost Item | Amount |
|---|---|
| Freight (China → 3PL) | $1,800 |
| 3PL storage (700 units × 3 months) | $210 |
| 3PL → FBA transfer (3 batches × 300 units) | $300 |
| FBA storage (300 units × 3 months, rotating) | $180 |
| FBA fulfillment (900 units × $4.95) | $4,455 |
| Total cost | $6,945 |
| Cost per unit sold (900 units) | $7.72 |
Savings: $160 + flexibility to fulfill other channels + no long-term storage risk
For larger/heavier products, the savings are even more significant (30–50% reduction in storage costs).
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Request a QuoteFAQ
Q: Can I use an overseas warehouse to prep products before sending to FBA? A: Yes! Many 3PLs offer FBA prep services — labeling, poly bagging, bubble wrapping — and then forward to Amazon FBA. This is especially useful if your Chinese supplier can't do FBA prep.
Q: Is Seller Fulfilled Prime (SFP) the same as using an overseas warehouse? A: No. SFP is an Amazon program where you fulfill Prime orders yourself (or via 3PL) but still get the Prime badge. It has strict requirements (1–2 day delivery, Saturday shipping, <1% cancellation rate). Many 3PLs support SFP fulfillment.
Q: How much does an overseas warehouse cost? A: Typical 3PL pricing: receiving ($20–45/hour), storage ($0.50–1.50/cu.ft./month), pick and pack ($2.00–5.00/order), plus shipping costs. Total cost varies by volume and services.
Q: Can I store products at an overseas warehouse and fulfill Amazon orders myself (FBM)? A: Yes. This is called Fulfilled by Merchant (FBM). The 3PL stores and ships your products. However, you won't get the Prime badge unless you're in the SFP program.
Need Warehouse Solutions?
Skyler Logistics operates overseas warehouses in the USA and partners with 3PLs across Europe. We offer: - China-to-US warehouse shipping (DDP) - FBA prep and forwarding - Multi-channel fulfillment - Bulk storage at competitive rates
🏢 Contact us at skylerlog.com — your complete warehousing and fulfillment partner!
