Guides / Email & WhatsApp marketing

Post-purchase flows: the emails and messages that earn the second order

The weeks after a first purchase decide whether a customer comes back. Send fast, clear order and delivery updates; help them use what they bought; ask for a review once it's arrived and been used; then prompt a second purchase when they're likely to need it, based on your own reorder timing. Keep marketing separate from order updates, and stop any sequence once the customer buys again.

By Ahmed Daoud · Updated

Winning a first order is the expensive part. The second order costs far less, but it rarely happens on its own. A post-purchase flow is the set of automated messages that takes a customer from “just bought” to “bought again”.

The flow at a glance

Step Trigger When Channel Purpose
1. Order confirmation Order placed Immediately Email (+ WhatsApp utility) Reassure: what they bought, total, delivery estimate
2. Shipping and delivery updates Fulfilled / out for delivery As it happens WhatsApp or SMS + email Fewer “where is my order?” questions, fewer failed COD deliveries
3. How to get the most from it Delivered 1–3 days after delivery Email Care, setup or usage tips; reduces returns
4. Review request Delivered 5–14 days after delivery, depending on product Email (WhatsApp if opted in) Reviews on your site or Google
5. Second-order prompt Delivered Your typical reorder time Email Relevant next product or refill

Steps 1 and 2 are transactional: everyone who orders gets them. Steps 3–5 are marketing: send them to people who’ve opted in to marketing (see UAE PDPL and marketing consent).

Steps 1 and 2: order updates people actually want

  • Send from your store platform or email tool, with your branding.
  • Include the delivery estimate, what happens with cash on delivery (have the exact amount ready), and how to contact you.
  • On WhatsApp, order and delivery updates are utility templates. Keep offers out of them, or Meta may categorise them as marketing.
  • A pre-dispatch COD confirmation (“Reply 1 to confirm your order”) can cut failed deliveries for stores with a lot of COD.

Step 3: help them use it

This is the most skipped step and often the most valuable. It reduces “it doesn’t work” returns and builds trust before you ask for anything.

  • Skincare: how to layer and how long before results show
  • Furniture: assembly video, care instructions
  • Food and coffee: storage, recipes, brew guide
  • Services: what to expect next, how to prepare for the next visit

Use your platform’s conditional splits to send different content by product category.

Step 4: the review request

  • Ask after they’ve had time to use it, not on the day it arrives.
  • One request, plus one reminder at most.
  • Make it easy: a direct link to the review form or your Google review link.
  • Don’t offer incentives for Google reviews. Google’s policy prohibits offering discounts or free items for posting, changing or removing reviews.
  • If they reply with a complaint, route it to a person fast. See how to get more Google reviews.

Step 5: time the second order with your data

Generic “we miss you” emails at 30 days ignore how your products are used. Use your own order history:

  1. Export orders for customers with two or more purchases.
  2. Calculate the days between first and second order for each.
  3. Use the median (the middle value) as your starting point for the second-order prompt, by product category if they differ.

The planner has a sheet that does this from an export.

Make the prompt relevant: a refill for consumables, a complementary product, or a reminder that the season is coming (summer, Ramadan, back to school). If someone hasn’t reordered long after the typical time, they move into a win-back campaign.

Exit rules and overlaps

  • Stop the sequence when they buy again. Use a filter such as “placed order zero times since starting this flow”.
  • Don’t stack flows. A customer shouldn’t get a review request, a cross-sell and a newsletter on the same day. Use your platform’s smart-sending or frequency settings.
  • Pause marketing after a complaint or return until it’s resolved.

What to measure

  • Repeat purchase rate within 90 and 180 days of first order
  • Time to second order (is it getting shorter?)
  • Review rate and average rating
  • “Where is my order?” contacts per 100 orders (should drop after step 2)
  • Unsubscribes per message

Frequently asked questions

Should we offer a discount on the second order?

Test it against a version without. Many customers come back for a good product and a timely reminder, and a discount on every second order erodes margin.

Email or WhatsApp for post-purchase?

Order and delivery updates work well on WhatsApp in the UAE. Keep longer content (how-to, cross-sell) on email, and use WhatsApp marketing sparingly. See WhatsApp marketing that doesn’t get you blocked.

We’re a service business. Does this apply?

Yes, adapted: confirmation and “what happens next”, a reminder before the visit, a check-in and review request after, and a prompt when the next service is due (annual AC service, quarterly deep clean).

If you’d like your post-purchase flows planned and built, that’s part of our growth funnel service.

Free download · Excel template

Post-purchase flow planner

Plan each message after purchase (trigger, timing, channel, content, exit rule), and work out your typical reorder timing from your own order data.

Download it

No sign-up. Opens in Excel, Google Sheets or Numbers.

Rather have it done?

This is the kind of work our growth funnel service covers. Tell us where you are today and we’ll reply with a plan and a fixed price.

Let’s talk

Sources

  1. Klaviyo Help Center: getting started with flows
  2. Google Business Profile Help: tips to get more reviews
  3. Meta for Developers: WhatsApp pricing (utility messages)

Written by

Ahmed Daoud, Business development, Jinnflow. Ahmed has worked in business development for 8 years. At Jinnflow, Ahmed leads sales, helps founders and small businesses decide what to build first and what it should cost, and writes the business and sales guides.