Which one should you pick?
Both agents have similar reputations. Superbuy charges a lower service fee (Free (0%) vs 6%), so it usually wins on landed cost. CSSBuy can still be the right pick if it has a shipping line that fits your destination better.
When to pick CSSBuy
CSSBuy positions itself as best for large parcels & brazil. Free warehouse storage runs 120 days, longer than Superbuy's 90 days, useful if you accumulate items over weeks.
When to pick Superbuy
Superbuy positions itself as best for big hauls. Service fee is lower (Free (0%) vs 6%), so it tends to be cheaper for most hauls.
Compare landed cost on a real product
The fastest way to know which is cheaper for your specific haul: paste a real product link into our converter, click Estimate on each agent, and see the full landed cost (fees + domestic + international shipping) for CSSBuy and Superbuy side by side.
Read more
- CSSBuy review & full feature breakdown
- Superbuy review & full feature breakdown
- Best buying agent 2026 guide
- Compare all 17 agents
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