What are any tips and tricks in setting up your waterfall?

Hey hey - are you asking in terms of accuracy or cost? If so - We already have the waterfalls listed to maximize results and reduce costs:)

Sure thing, Jeanne Marie Wilke. Here's a video on how to set up a waterfall in Clay to maximize coverage and minimize the amount of credits you spend by combining providers- https://www.clay.com/learn/find-work-emails-from-linkedin