CPA vs WIP

CPA (Cost Per Acquisition) and WIP (Work In Progress) both come up in business conversations and get confused. Here's the plain-English difference, side by side, so you can use each one with confidence.

The key difference: CPA refers to cost per acquisition, while WIP refers to work in progress — they describe different things even when they show up in the same sentence.

CPA — Cost Per Acquisition

The total marketing cost to acquire one paying customer. CPA is the number that decides whether your paid acquisition is a growth engine or a slow bleed — it must stay meaningfully below LTV.

Full CPA definition →

WIP — Work In Progress

Tasks, inventory, or products that have been started but not yet completed. In operations and agile teams, too much WIP is the single biggest predictor of missed deadlines.

Full WIP definition →

When to use CPA

Reach for "CPA" when the conversation is specifically about cost per acquisition. The total marketing cost to acquire one paying customer. CPA is the number that decides whether your paid acquisition is a growth engine or a slow bleed — it must stay meaningfully below LTV.

When to use WIP

Reach for "WIP" when the conversation is specifically about work in progress. Tasks, inventory, or products that have been started but not yet completed. In operations and agile teams, too much WIP is the single biggest predictor of missed deadlines.

FAQs

What is the difference between CPA and WIP?

CPA stands for Cost Per Acquisition — The total marketing cost to acquire one paying customer. CPA is the number that decides whether your paid acquisition is a growth engine or a slow bleed — it must stay meaningfully below LTV. WIP stands for Work In Progress — Tasks, inventory, or products that have been started but not yet completed. In operations and agile teams, too much WIP is the single biggest predictor of missed deadlines.

Are CPA and WIP the same thing?

No. They're often used in the same conversation because they're related, but they describe different concepts. CPA = Cost Per Acquisition. WIP = Work In Progress.

When should I use CPA vs WIP?

Use CPA when you're specifically referring to cost per acquisition. Use WIP when the topic is work in progress.