Get your skills up save your ores/logs/fish etc and find a couple personal buyers I say this because if you put it on the auction house people always try to outsell each other resulting in someone else selling lower than you just to get there shit sold (annoying as fuck tbh). Check forums for buyers posting

Any skill is profitability if you do it right best bet is farm herbs as a start get some start up cash n some Ok stats then farm npcs like fire giant black demons. Or farm drag bones. If you grind dbones it's easy to make 4m+ a day if you put the time into it

Goodluck man! GP comes with patience, and hardwork took me awhile to get the ball rolling but I promise you that you will have a nice cash stack in no time PM if I am online I am always willing to help anyone.