Were you not evil, I would have said Goblin Ears in HK seemed like a common choice for 30-ish characters to farm on behalf of their low-level friends and alts. On the other hand, they sell for 30-35pp each, so your brother would have to really like you not to just sell them on...
The
wiki doesn't say that you need good faction, but you're not even going to get FD (can a SK even use FD for hand-ins?) until 30 anyway, so maybe not...