What Are Solo Ads?
A solo ad is a paid email drop: you pay the owner of an email list to send a message promoting your offer to their subscribers. You buy a set number of clicks — typically $0.35 to $0.95 each — and the seller keeps mailing until they deliver. Done right, solo ads are one of the fastest ways to build an email list in niches like make-money-online, personal development, and health.
Done wrong, they're one of the fastest ways to pay real money for fake clicks. That gap between the good and bad sellers is exactly why this site exists.
Start With These Guides
Udimi Review
The biggest solo ads marketplace, with escrow protection and built-in click filtering. Our full hands-on review.
Read the review →Best Solo Ad Sellers 2026
Our current rankings of platforms and vendors, based on verified sales rates, delivery speed, and traffic quality.
See the rankings →Beginner's Guide
How solo ads work, how much to spend on a first test, and the five mistakes that burn most first-time buyers.
Start learning →Essential Tools
The tracker, page builder, and autoresponder you need before spending a dollar on solo ad traffic.
See the stack →How We Review Vendors
Every vendor review on this site follows the same process. We analyze verified marketplace statistics, aggregate real buyer feedback, and compare pricing and policies across four criteria: click authenticity (filtering systems, tier-1 percentage, bot protection), delivery (on-time record, guarantees, refund policies), list quality (reported opt-in rates), and sales signal (verified got-sales data where available). We update rankings whenever quality shifts — a seller who was great in 2024 is not automatically great today.