What is an Active Buyer?
An active buyer is a customer who has purchased from you within a defined recent window, usually the past 12 months.
How do active buyers work?
You set a purchase window, then count every customer who bought inside it. A customer who ordered in March stays active for a full year in a 12 month window. When the window closes with no new purchase, they become a lapsed buyer.
Why do active buyers matter?
Active buyers are the customers most likely to buy again. Repeat purchases cost a fraction of new customer acquisition, so the size of your active buyer list predicts revenue better than raw signups. Investors read a growing list as proof of repeatable demand.
Where did the term come from?
Direct mail marketers coined it to price mailing lists. A list of recent buyers rented for far more than a list of cold names, because recency predicted response. E-commerce kept both the term and the logic.
How do you use active buyer data well?
Match the window to your purchase cycle instead of a default 12 months. Track the count monthly, segment buyers by recency and spend, and run win-back campaigns before customers lapse.
Bottom line: your active buyers are the business. Everyone else is a maybe.
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