Welcome.
Don't worry about your financial circumstances affecting your fountain pen collection. There are ways. There are always ways.

That is, you can find many ways to afford fountain pens that you've never before thought of, using some lovely and creative accounting procedures. It's all part of the fun.

And the addiction.
Just remember, beans and rice are good protein sources.
Dont' actually drink the ink. It's too darned expensive.

You have a dispensation, yea, even from the Goddess of the Miserly Finances and The Incredible Shrinking Ink Budget. That dispensation is only good on March 17th, this day, and this day only. You may use the green inks on your face in honor of St. Patrick. Fair warning, you may become permanently colored like this:

especially if you think Scotland the Brave is an Irish tune.
I know. I've a huge number of Scottish ancestors.
Permanence of coloring is only assured if you are, however, related to a certain radio show originating in Washington DC, where the welcoming music Friday was Scotland the Brave, played to wish the teeming masses a Happy St. Patrick's Day.
(Note to Bill Press, get an assistant that knows music. I can be reached here at FPN, if you're looking.

)
And as for finding the "perfect pen"? Well, you've got a lifetime. And higher wages after graduation, we hope.

Of course, never miss an opportunity to inform friends of birthdays, holiday gifts and such that would be perfect if only the package contains a lovely fountain pen with a nib made of...