Always keep in mind quality over quantity when it comes to Waze Map Editing. You can get an excellent start by helping with place locations by validating their locations and information. You’ll get there before you know it. Keep working with senior editors to learn the correct methods. Another good source for newcomers was listed below but here is the link again - https://www.waze.com/forum/viewtopic.php?f=8&p=872058#p872058
Waze editor levels take a little time, tutoring, and work to accomplish but this is the right way to help make this an excellent application for all Wazers.