Managing your PPC account effectively is all about understanding the different categories your keywords fall into. Let's break it down into three: the stars, the strugglers, and the budget busters.
Keep a keen eye on your keyword performance, categorize them into stars, strugglers, and budget busters, and make informed decisions to optimize your campaigns. It's time to turn your PPC game into a conversation that converts to a sale.
If you’re familiar with Google advertising campaigns then feel free to skip ahead to: what is a GCLID and why it is important? The tracking section gives tips on how to identify pay-per-clicks through the google search console. If you have any doubts about the authenticity of your GCLID clicks, then click here for step-by-step instructions on how to view and verify GCLID's from your server logs.

Buying pay-per-click from google to showcase your ad at the top of a keyword search is attractive if there is profit from these clicks. These ads are links that will typically appear in groups of three at the top or bottom of Google’s search results.
These paid clicks vary in price due to the competition of keywords, and this amount will fluctuate based on bidding for keywords and what a person is willing to pay per click. It's common sense to want more out of paid advertising than the amount spent on an ad campaign.

Free and Paid Methods to prevent click fraud
Read what Google has written about invalid GCLID clicks that are not real visitors. - support.google.com
Invalid Clicks - https://support.google.com/google-ads/answer/42995