Sigh. Yeah. I started reporting gold spammers, too. I don't think it helps, much, but yeah, it's against the game rules and shouldn't be anywhere.
People can always get credits by using your crafting gathering skills and selling the materials, or, if they're willing to spend some time, by crafting and selling hilts, armor mods, enhancements, stims, ship armor, dyes and tons of other stuff. And high-level players can run their daily quests for much higher rewards. And there are cartel coins for buying stuff if you're a subscriber or choose to spend real money on the game.
If you're a player, don't click the guest spammer's link above; hopefully it'll get deleted soon.
Let me get you several useful links, instead:
1) dulfy.net - the best list of guides for all classes and abilities; for your companions and in-game events; for in-game fashion and much more;
I recommend a guide for your Marauder/Sentinel(because you are playing or thinking of playing one, right?), and - remember this word - correct rotation.
2) http://www.swtor.com...ad.php?t=633655 - this is probably the best thread about what NOT to do in your group play, be it a heroic quest or an operation;
(ninja-looting being one of them. be sure to read a "butter run" story, or just google it!)
3) there are lots of useless "how to make credits" guides, but this one makes you think, and it's a recommended read: http://www.swtor.com...d.php?t=150015;
(privately, I'll be very obliged if you start selling terenthium or genetic anomalies, because I constantly run out of these)
4) Bioware runs friend/bonus/referral programs that give you very nifty official bonuses. For example, if you're a new player or a former subscriber, you can participate in Friends of Swtor program: https://account.swtor.com/user/refer and get things like extra inventory row for everyone(a very big thing if you're a free player), seven days of subscription for the former subscribers, and other good stuff.
For that, you need to click someone's referral link. Mine is here, if you want it: http://www.swtor.com/r/kvLxZh
(there are bonuses for me, but only if you're a subscriber or become a subscriber soon after clicking this link. I'll be more than happy to share these bonuses with you - buy you something off Cartel Market for your share, for example)
5) Don't give anyone your password. Ever. If you've got an Apple/Android phone with Internet access, install and use a security key - it should give you 100 cartel coins every month.
And enjoy the game!