Maintenance for the week of October 5:
• [IN PROGRESS] ESO Store and Account System for maintenance – October 8, 8:00AM EDT (12:00 UTC) – 12:00PM EDT (16:00 UTC)
They are also a nice source of soul gems and you may get luck and find something you need for crafting research. At lower levels the gold you get from them is nice for building up your funds (heck, I like getting "free" gold even at max level"),