Guild Wars 2

I’m going for a precursor and have some gold. My question is would I make a reasonable profit if I crafted Volcanus and sold it on the TP.

Volcanus requires skill points to craft, and you can check the skill points to gold conversion on several websites.
You would make a reasonable profit from volcanus, according to the website i use, between 28 and 85 gold, depending on if you use buy orders or buy instantly.
In case you are interested, I use this one: http://gw2sp2g.herokuapp.com/

If you have your own ectoes to salvage for the dust, and promote all the cores, the profit’s 180g-200g. I do it every few months.