What about using apps? If you have access to her phone, of course. If you want to save money and still get the functionality of a professional spy, download an app. Most tracking tools are convenient and easy to use. With one of them, you'll get proof quickly and without problems. At
https://cheatingbuster.com/ you can find these apps and figure out how to work with them. Then just crunch the evidence and provide it to her. I hope you are up to the task. Don't worry too much about it because even the most famous people have cheated and managed to get out of it. I remember once reading on
https://www.insider.com/celebrity-cheat ... ls-2017-12 about it.