Legitimate growth.
WHAT ACTUALLY WORKS
Asking every customer, at the point of purchase A clear reason to subscribe on your website Content good enough that people want more Offering something specific in exchange Asking in person
WHAT TO OFFER
A discount on a first or next order Early access to new stock A genuinely useful guide related to what you sell Notification when something is back in stock
WHERE TO ASK
At checkout, as an optional tick with a clear description At the end of useful content In the footer On a dedicated page you can link to
OFFLINE
If you meet customers in person, ask. A card with a short link works.
WHAT NOT TO DO
Buy a list. It converts badly, generates complaints and damages your reputation. Scrape addresses. Add people from another context.
THE PACE TO EXPECT
Tens per month for a small business, if you are asking consistently.
That is a few hundred in a year, which is a real asset.
THE MULTIPLIER
Existing subscribers forwarding to someone. Make that easy and worth doing.