Hello pau2,
Welcome back to the Community. Recording your transactions properly is an essential step for maintaining clean books. QuickBooks is a powerful program that enables you to enter your recurring transactions without any hassle.
Based on what you've described, I encourage you to check out this helpful article that provides more info on how to:
Create recurring transactions in QuickBooks Online. The article does a great job at showing you how to use and enter a recurring entry in QuickBooks. I encourage you to check it out and let me know if you need anything else as you go through the article.
Feel free to ask other questions, I've got your back.