500 gil isn't really decent, even to someone at your level. Really the best way for you to make money at this point is to go outside, kill monsters, and then sell the things that drop on the AH. In stacks, if you can.
However, for a list of San'doria Quests and their rewards:
http://wiki.ffxiclopedia.org/Categor...%27Oria_Quests
Check out the Fame level 1 quests, since that's likely all you'll be able to get right now.^^