You can for your all needs even these are your personal or professional needs. Because only can provide you with what you want. If a personwithout verification, then it means that he loses his money. Because the age of non-verified is only 1 day or minimum. And you cannot get huge benefits from a Gmail account in only 1 day. While if you will then you can use these accounts for a long time and you can get advantages as much as you want. And non-verified are only for short purposes and if you want to use these accounts only for some time, then you can use these accounts.