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Quotations vs Invoices: When to Use Each

A quick guide to using estimates, quotes, and invoices the right way in your sales workflow.

BT Billinox Team
Mar 18, 2026 3 min read

The simple rule


  • Estimate: rough number, no commitment

  • Quotation: firm price, valid for a window

  • Invoice: payment is now due


Use a quotation when stakes are high


For projects above your typical ticket size, a signed quotation protects both sides.


Convert with one tap


In Billinox, accepted quotations turn into invoices instantly — no re-keying.

#Quotations #Workflow
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