For sellers
Run an FBA business without a spreadsheet stack.
Solo sellers and small teams run lean. MarginLock fits the stack — packing UI, financial dashboard, reimbursement automation — without an enterprise rollout.
Built for solo operators
The work, less of the busywork
One-person packing UI
Build a shipment, pack it, label it, ship it — without juggling tabs.
Daily reconciliation
Settlement reconciliation that runs on its own. You only see issues that need a decision.
Reimbursement queue
Lost and damaged cases generated automatically. Approve in batch from a single screen.
Per-SKU margin
What you actually make per SKU after fees and returns. The number that drives buying.
| Feature | MarginLock | Spreadsheets + helper tools |
|---|---|---|
| Settlement reconciliation | Automatic, daily | Manual, monthly |
| Reimbursement detection | Continuous, automated | Manual or none |
| Box compliance | Enforced at pack time | Discovered after rejection |
| Per-SKU contribution margin | Live, drilldown-ready | Recalculated quarterly |
Run MarginLock against a real account.
Free trial. Sandbox demo available.