Can I use fiverr if my paypal is not verified?
If you type “unverified paypal” in the search bar above there are several posts on the subject which may be helpful to you.
Can I withdraw my money after I have verified it or it is withdrawn automatically?
I mean can the money I have earned be withdrawn after a month for example?
Suggest you read the Terms of Service at the bottom of the Fiverr main page for the rules as to how Fiverr works.
Everything is explained there in great detail.