The amount of money you can earn as a user tester with UserTesting can vary depending on a number of factors, such as the type of test you are completing, the length of the test, and the number of tests you participate in. On average, user testers can earn anywhere from $10 to $60 per test.

It's important to note that UserTesting is just one example of a user testing company, and the amount you can earn with other companies may be different. Additionally, the amount you can earn as a user tester is not a full-time salary and is typically paid on a per-test basis.

To maximize your earnings as a user tester, it's important to complete as many tests as you can, provide high-quality feedback, and build a strong reputation within the user testing community.

Besides, freelance user testing services are also good choices if you don’t already have too much experience with hiring a user testing agency before. The freelancer will help you efficiently detect any potential problem and adjust your current situation.