What about sending out a replacement product to a customer? A given business pro... | Hacker News

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		minikites on Jan 15, 2016 \| parent \| context \| favorite \| on: PayPal and zero-dollar invoice spam What about sending out a replacement product to a customer? A given business process may be simpler if you generate a $0 invoice for replacements.

hluska on Jan 15, 2016 [–]

Especially if your inventory system requires an invoice number in order to -x from inventory.

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