There are cases, when you want more than one email address for multiple reasons but don’t have time to create another.
Well before creating a new email address go through this article. I bet, you don’t feel the necessity to create another for sure.
If your email id is email@example.com then you can use it as below:
And so on…
Basically, Gmail ignores all dots(.) and treats as a single address but you can use this trick to create different account while signing up on other websites like Facebook.