For a DTC brand, the most cost-effective way to grow list size and capture more leads with popups is usually:

1) Use simple, high-converting email capture offers

The best offers are usually:

• Welcome discount: “Get 10% off your first order”
• Free shipping threshold offer: “Unlock free shipping when you join”
• Giveaway / quiz / lead magnet if your product needs more education
• Back-in-stock alerts for popular items
• Early access / VIP list for drops, launches, or limited inventory

If you want the lowest-cost, highest-impact option, start with a discount + email capture popup.

2) Show popups based on behavior, not immediately

To avoid annoying visitors and improve conversion, trigger popups on:

• Exit intent on desktop
• Scroll depth (e.g. 40–60%)
• Time on site (e.g. 8–15 seconds)
• Second pageview
• Cart abandonment
• High-intent product pages only

This usually beats showing a popup instantly.

3) Segment your capture by intent

A single popup for everyone is less effective than a few targeted ones:

• Homepage popup: generic welcome offer
• Product page popup: product-specific offer or quiz
• Cart popup: urgency or shipping incentive
• Returning visitor popup: stronger incentive or VIP message
• Mobile-only popup: shorter, simpler, less intrusive

This improves conversion without increasing spend much.

4) Keep the form short

The cheapest way to improve capture is to reduce friction:

• Ask for email only if the goal is list growth
• Use 2-step popups if you want more engagement
• Collect SMS only when it makes sense, and usually as an optional second step
• Use clear CTA buttons like “Unlock Offer” instead of “Submit”

5) Optimize the timing and design

Small changes can create big gains:

• Use a strong headline
• Keep copy to 1–2 lines
• Make the value obvious
• Use high-contrast CTA buttons
• Add product images or lifestyle imagery if it fits the brand
• Make sure it looks great on mobile

6) A/B test only the big levers

The most cost-effective tests are:

• Offer type: discount vs free shipping vs giveaway
• Trigger: time vs scroll vs exit intent
• Copy: short vs benefit-led
• Form fields: email only vs email + SMS
• Popup type: embedded, flyout, full-screen, inline

Don’t over-test small design details first.

7) Use multiple capture points, not just one popup

Popups work best when combined with:

• Embedded forms in footer and blog content
• Spin-to-win or gamified capture if your audience responds to it
• Quiz funnels for product discovery
• Checkout opt-ins
• Post-purchase capture
• Back-in-stock forms on sold-out products

This creates more opportunities without increasing ad spend.

8) Sync leads immediately into email/SMS flows

Capturing the lead is only half the job. Make sure new subscribers enter:

• Welcome flow
• Abandoned browse flow
• Cart abandon flow
• VIP / loyalty flow
• Product education flow

This turns list growth into actual revenue.

---

Most cost-effective setup for most DTC brands

If I had to choose the simplest and most efficient setup, I’d recommend:

1. One welcome popup

   • Offer: 10% off or free shipping
   • Trigger: exit intent or 8–12 seconds on site
   • Field: email only

2. One product-page capture

   • Trigger: scroll or time delay
   • Offer: product education, quiz, or discount

3. One cart abandonment popup

   • Trigger: exit intent or cart view
   • Offer: free shipping, urgency, or small incentive

4. One back-in-stock form

   • For out-of-stock hero products

That gives you strong list growth without overcomplicating the stack.

---

If you want the lowest-cost stack

Use a popup/capture tool that includes:

• Exit intent
• A/B testing
• Segmentation
• SMS + email capture
• Shopify integration
• Automation integrations

Common cost-effective options include tools like Klaviyo forms, Privy, Justuno, Omnisend forms, or OptiMonk, depending on your email/SMS stack and complexity needs.

---

If you want, I can also give you:

1. a best-practice popup strategy for Shopify DTC,
2. a tool-by-tool recommendation, or
3. example popup copy that converts well.