Totenkopf

Yup. At that point, they can't even hit you anymore. Tython is the starter planet for the Jedi, there isn't much for a Smuggler there except datacrons, of course. Oh, by the way, if you're a completionist, it may be worth noting Nar Shaddaa's bonus series becomes active once you're 30-31. There's a woman in the spaceport who gives you the starting quest. Same goes for Alderaan later on (around 40, then).