Buying a warehouse management system is rarely a clean process. Vendors talk past each other, demos are heavily scripted, and the features that actually matter on day 90 rarely show up in the sales deck. This guide gives you 27 questions � grouped by theme � that will reveal what a WMS is really capable of.
Inventory accuracy
- How is stock-on-hand calculated � transactional ledger or periodic snapshot?
- Can a single SKU live in multiple bins, with separate quantities per bin?
- How are negative quantities handled?
- Is there a full audit trail per SKU, per location, per user?
Operations and workflow
- Does picking support wave, batch, and single-order modes?
- Can dispatch route by warehouse-of-origin automatically?
- How are returns received � against original orders, or as free-form receipts?
- Are stock takes blind, informed, or both?
Integrations
- Is there a public, documented REST API?
- Are webhooks available for inventory and order events?
- Which accounting packages have native integrations?
- Can CSV imports handle 50,000+ rows without timing out?
Multi-tenant, multi-warehouse, multi-currency
- How is data isolated between companies on the same platform?
- Can roles be scoped to a specific warehouse?
- How are inter-warehouse transfers represented in accounting?
Reliability and security
- What's the published uptime target � and what's the actual figure over the last 12 months?
- Where is data stored geographically?
- How are backups taken, retained, and restored?
- Is data encrypted at rest and in transit?
- Is two-factor authentication supported?
Pricing and contracts
- Is pricing per user, per warehouse, per SKU, or flat?
- Is there a setup fee?
- What happens if I want to leave � how do I export my data?
Roadmap and support
- How frequently are new features released?
- What channels are available for support, and what are the response time guarantees?
- Is there a customer-driven roadmap or voting system?
- How long does a typical onboarding take � honestly?
Run these 27 questions across every vendor on your shortlist. The right WMS will answer most of them in plain language. Try VasKem free and run the same questions against us.