General Question on Profiles and when to use them

Hi
I have inherited a database, from our previous DBA. Recently one of our user password expired causing access issues within our application.
On investigation, I noticed that we have a default profile, with the password expiration in place.
We want to make the password expiration to be unlimited.
My question is, what is the best practice for doing this?
Is it recommended to create a seperate profile, other than the default or
Is it OK to just keep one profile remove the restriction on that profile.
Our database contains only 3 users (outside the oracle users) which are, the schema owner, 2 web users for different functionality.
If there are best practices documented, then I'm willing to read through it, if someone can point me to it. Currently I have only found, documentation on profles and how they are used, but none show what are the best practices recommended for oracle.
Thanks in advance.
Div.

Hi Helios
Thank you for your response.
I read the below :
Password Management is setup by DBAs using Oracle Profiles. A general recommendation is to assign only those schemas a profile with password aging an expiration features if the users have the ability to independently change their password from their end-user application when the password expires, usually this means the application they use must have correctly implemented the OCIPasswordChange() OCI call such as sqlplus.
So would you recommend that I just keep my default profile and set the password expiration to unlimited, as that is what I understand from the above.
Thank you for your quick response.
thanks
Div.

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In this example, the fan and lamp are controlling the temperature.
Attachments:
Exercise 8-1.zip ‏171 KB

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I came here for help as this is where NI pointed me in their failure. I did not come here to get my "mental model" attacked.
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