Before you start guessing, this isn't about buying on Fiverr but selling higher elsewhere. This isn't about selling on fiverr either. You'll be using a gig that can help you land clients.
The key is to simply tell the 'testimonial reviewers' to create a short 60 second video (or a video of any length) that will tell business owners about succeeding with the service you want to sell.
If I am selling mobile sites, I'll simply tell the video reviewer to say the following in their video.
