Lettrbase Blog

Grow, monetise, and run a better newsletter.

Tactics, case studies, and playbooks for newsletter operators — from discovery to monetisation.

Newsletter Discovery

How Do Newsletter Sponsorships Work? A Beginner's Guide

Newsletter sponsorships are simple in concept but have a specific workflow. Here is how they work from start to finish, explained for beginners.

Jul 09, 2026
Newsletter Discovery

Newsletter Open Rates Explained: What's Good and Why It Matters

Newsletter open rates are the single most important metric for evaluating a sponsorship. Here is what a good open rate is, what affects it, and why it matters.

Jul 09, 2026
Newsletter Discovery

How Much Does Newsletter Advertising Cost? A Complete Breakdown

Newsletter advertising costs vary widely by size, niche, and engagement. Here is a complete breakdown of what to expect and how to budget for a campaign.

Jul 09, 2026
Newsletter Discovery

Newsletter Sponsorship Platforms: How to Choose the Right One

Newsletter sponsorship platforms range from ad networks to discovery databases. Here is how they differ and how to choose the right one for your goals.

Jul 09, 2026
Newsletter Discovery

How to Build a List of Newsletters for Sponsorship

Building a working list of newsletters to sponsor is the foundation of any newsletter campaign. Here is how to build one efficiently, from discovery to a qualified shortlist.

Jul 09, 2026
Newsletter Discovery

How to Evaluate a Newsletter Before Sponsoring It

Finding newsletters is only the first step. Learn how to evaluate newsletter sponsorship opportunities based on audience fit, engagement, pricing, and long-term marketing value.

Jul 08, 2026
Newsletter Discovery

Best Newsletter Discovery Platform in 2026

Looking for the best newsletter discovery platform? Learn what features matter, how discovery platforms work, and how to evaluate the right solution for your sponsorship strategy.

Jul 08, 2026
Newsletter Discovery

Manual Newsletter Research vs Sponsor Databases

Compare manual newsletter research with newsletter sponsor databases to understand which approach is faster, more scalable, and better suited for modern sponsorship campaigns.

Jul 08, 2026
Newsletter Discovery

How to Build a Newsletter Sponsor List

Learn how to build a targeted newsletter sponsor list using a repeatable process that helps marketers discover relevant publications and launch sponsorship campaigns faster.

Jul 08, 2026
Newsletter Discovery

Newsletter Sponsorship Database Explained

A newsletter sponsorship database helps marketers discover relevant newsletters, evaluate sponsorship opportunities, and reduce the time spent on manual research.

Jul 08, 2026
Newsletter Discovery

Newsletter Sponsorship Marketplace vs. Discovery Database: Which Do You Need?

A newsletter sponsorship marketplace and a discovery database solve the same problem differently. Here is how they compare and which fits your needs.

Jul 07, 2026
Newsletter Discovery

How to Find Newsletters That Accept Sponsorships

Most newsletters accept sponsorships, but finding the ones that fit your audience is the challenge. Here is how to find newsletters that accept sponsorships efficiently.

Jul 07, 2026