I love it when other people have done my work for me.
2019 Troubleshooting Guide to Common 3D Printing Problems
Alternatively, if you want a paper copy 3d Print General has written an awesome book
3D Printing Failures: 2020 Edition: How to Diagnose and Repair ALL Desktop 3D Printing Issues
If this didn’t help you with your issue check out the Ender 3 groups on Reddit and Facebook as well as r/FixMyPrint. These communities are wonderful about helping their fellow users fix their shit. Find them. Bookmark them. Go to them for the basic questions and troubleshooting of general printer issues.
Go to the community chat at deterrencedispensed.com with the technical gun-specific questions.
Now that you know how to print let’s upgrade and make your printer a little more stable and reliable.
Getting Started 4: What Upgrades?