The field library
Eight guides for
buying smarter.
Start where your current media plan breaks. Each guide is built to be read, marked up, and used in the next planning meeting.
01Newsletter fundamentals
What Is Newsletter Advertising? A Brand Buyer's Guide
Newsletter advertising lets you reach new audiences inside their inbox. Learn core formats, buyer economics, and how to test your first campaign.
A field guide from DONUT Press Media
Read the guide ↗
02Buying economics
How Much Do Newsletter Ads Cost? Buyer's Pricing Guide
Learn how newsletter ad pricing works across flat fees, CPM, and CPC models. See real ballparks to forecast your first meaningful test.
A field guide from DONUT Press Media
Read the guide ↗
03Publisher diligence
How to Choose Newsletters to Advertise In: Scorecard
Go beyond list size with our 100-point scorecard. Vet audience fit, engagement quality, and publisher reliability before you spend.
A field guide from DONUT Press Media
Read the guide ↗
04Channel strategy
Newsletter Ads vs. Meta Ads: Practical Comparison Guide
Compare newsletter advertising to Meta ads across scale, trust, and attribution. Learn how to run a complementary reallocation test.
A field guide from DONUT Press Media
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05B2B growth
B2B Newsletter Advertising Guide: Reaching Decision-Makers
Discover how B2B newsletter sponsorships reach buying groups, complement LinkedIn, and drive pipeline for long sales cycles.
A field guide from DONUT Press Media
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06Measurement
How to Track Newsletter Sponsorships: UTM & ROI Guide
Master UTM taxonomy, dedicated landing pages, and CRM reconciliation to track newsletter sponsorships accurately and prove true ROI.
A field guide from DONUT Press Media
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07DTC growth
DTC Newsletter Advertising: Diversify Beyond Meta Guide
Learn how DTC newsletter advertising helps brands diversify acquisition, improve contribution margins, and reach high-intent consumers.
A field guide from DONUT Press Media
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08Buying models
Direct Sponsorship vs. Ad Network: Which Buying Path?
Compare direct newsletter sponsorships and ad networks across control, scale, and reporting to find the ideal buying approach.
A field guide from DONUT Press Media
Read the guide ↗