Start with the decision you need to make
A test size should be large enough to tell you something useful, but small enough that a bad fit does not damage your budget. The right number depends on your conversion rate, economics, and tolerance for uncertainty.
Use your funnel baseline
If the same landing page already has reliable conversion data from comparable traffic, you can estimate how much traffic may be needed to observe a reasonable number of outcomes.
For marketplace-specific research, see our independent Udimi review.
Small samples are noisy
A handful of clicks can swing dramatically. Treat very small tests as directional and avoid declaring a vendor excellent or terrible from a few visitors.
Scale in stages
When a test is promising, increase order size gradually and keep measurement consistent. This protects the budget and reveals whether performance holds as volume rises.
Frequently asked questions
Are solo ads guaranteed to make money?
No. Solo ads are a traffic source, not a profit guarantee. Results depend on audience fit, your offer, page, follow-up, and measurement.
What should I track in a solo ad campaign?
Track the delivered traffic plus the primary action on your page and, where possible, downstream outcomes such as qualified leads or confirmed sales.
Should I choose the cheapest solo ad seller?
Not automatically. Compare audience fit, transparency, geography, buyer feedback, available controls, and your own campaign results alongside price.