Two-Sided Email Strategy

When to Use This Skill

Use this skill when you need to:

• Design email communication tracks for both buyers and sellers on a marketplace
• Create transactional, onboarding, and engagement emails for each side
• Build re-engagement sequences for dormant marketplace users
• Coordinate cross-side communications (e.g., notifying sellers of buyer activity)

DO NOT use this skill for single-sided email marketing, newsletter design, or SaaS email sequences. This is for two-sided marketplace email programs.

Core Principle

A MARKETPLACE EMAIL STRATEGY MUST SERVE TWO AUDIENCES WITH DIFFERENT MOTIVATIONS — BUYERS WANT SELECTION AND TRUST, SELLERS WANT TRANSACTIONS AND GROWTH. NEVER SEND THE SAME EMAIL TO BOTH.

Phase 1: Brief

Required Inputs

GATE: Confirm the brief before mapping email tracks.

Phase 2: Map Email Tracks

Buyer Email Track

Seller Email Track

Cross-Side Notifications

GATE: Confirm email tracks before writing templates.

Phase 3: Write

Buyer Email Templates

Welcome email:

Subject: Welcome to [Platform] — here is how to find exactly what you need

Hey [Name],

[Platform] connects you with [description of sellers]. Here is how to get started:

1. Browse [category] → [link]
2. Save your favorites → they are stored in your account
3. Message sellers directly → ask questions before you buy

Every transaction is protected by our [guarantee name].

[Start Browsing]

Engagement email:

Subject: New this week on [Platform]

Hey [Name],

[X] new [sellers/listings] joined [Platform] this week. Here are 3 you might like:

1. [Listing name] by [Seller] — [one-line description]
2. [Listing name] by [Seller] — [one-line description]
3. [Listing name] by [Seller] — [one-line description]

[See All New Listings]

Seller Email Templates

Weekly performance summary:

Subject: Your week on [Platform] — [date range]

Hey [Name],

Here is how your listings performed this week:

- Views: [X] ([+/-]% vs. last week)
- Inquiries: [X]
- Transactions: [X]
- Revenue: $[X]

**Tip of the week:** [One actionable optimization tip]

[View Full Dashboard]

Re-engagement email:

Subject: Your listings have not been updated in [X] days

Hey [Name],

Active sellers on [Platform] get 3x more inquiries than inactive ones. Quick wins to boost your visibility:

1. Update your listing photos (fresh photos = more clicks)
2. Adjust your pricing (we have seen [category] prices shift recently)
3. Respond to any pending inquiries

[Update My Listings]

Copy Rules for Both Sides

• Use the recipient's name and relevant data (views, sales, favorites)
• One CTA per email — never compete for attention
• Keep emails under 150 words (transactional under 100)
• Mobile-friendly: single column, large buttons, short paragraphs
• Unsubscribe link on every non-transactional email

Phase 4: Polish

1. Email Cadence Calendar

Maximum: 2 emails per week per user (excluding transactional).

2. Segmentation Strategy

• Buyer segments: Active (transacted in 30 days), browsing (searches but no transactions), dormant (no activity in 30+ days)
• Seller segments: Power (5+ transactions/month), active (1-4 transactions), new (under 30 days), dormant (no listings/transactions in 30+ days)
• Tailor messaging intensity and content to each segment

3. Quality Checklist

## Two-Sided Email Checklist

- [ ] Buyer and seller tracks are completely separate
- [ ] Onboarding sequence exists for both sides (3-5 emails each)
- [ ] Transactional emails cover all key events (order, payment, review)
- [ ] Engagement emails use personalized data (activity, preferences)
- [ ] Re-engagement sequences trigger after 14+ days of inactivity
- [ ] Cross-side notifications are designed (favorites, inquiries, reviews)
- [ ] Email cadence does not exceed 2 non-transactional emails per week
- [ ] Every email has exactly one CTA
- [ ] Unsubscribe option is included on all non-transactional emails
- [ ] Segmentation strategy is documented for both sides

Example

Marketplace: Local home services (connecting homeowners with contractors)

Buyer re-engagement:

Subject: 3 new electricians in [City] since you last visited

Hey [Name], we noticed you searched for electricians last month. Since then, 3 new licensed electricians joined [Platform] in your area — all with 4.5+ ratings.

[See Available Electricians]

Seller cross-side notification: "A homeowner in [Neighborhood] just searched for [your service category]. Update your availability to appear in their results. [Update Availability]"

Anti-Patterns

• Same email to both sides — buyers and sellers have opposite motivations. Never send a generic blast to both.
• Too many emails — more than 2 non-transactional emails per week drives unsubscribes. Respect the inbox.
• No personalization — "New listings on our platform" is generic. "3 new designers in your city specializing in logos" converts.
• Missing transactional emails — silence between purchase and delivery creates anxiety. Over-communicate transaction status.
• No re-engagement — dormant users do not come back on their own. Design the nudge.

Recovery

• Low open rates on one side: Test sender name (platform name vs. personal name), subject line length, and send time. Sellers often respond better to data-driven subjects.
• High unsubscribe rate: Reduce frequency, improve relevance, or add preference center for email types.
• No activity data for personalization: Start with category-based personalization. Refine as behavioral data accumulates.
• Small user base makes segmentation impractical: Send to the full list but write for your most engaged segment. Add segmentation when you pass 500 users per side.