Hi Avi,
You can create as many search alerts as you like and find them in your saved searches, where you edit them or delete them. The email alert is set up so that you receive one email with all the properties which meet your criteria every day. If no new properties are published which meet your criteria, then you will not receive an email. I hope that makes sense.
Sorry to hear you’re finding it complicated — what inparticular is challenging? And what would you like to see instead?
Sam