Low level archers needing to buy arrows or bolts should visit the Fletcher's daughter in Stonehall and the Fletcher who has his shop to the south of Aelmon in Midgaard City.
A low level fletching kit is available for sale from Liam in Wayside. - Riviat
However it happened, these were the days when the gods could look you in the eye when they collected the offerings at the foot of their totems. All the tribes and towns had their patron gods; and for those that survived the lash of age, their patron gods still stalk the lands. The island cultures held especially fast to their deities, and the seas brim with gods and demons of bygone eras.
So perhaps, if you travel far enough from the Realm of Man, you just might find yourself face to face with one such faded memory. Perhaps you should seek out THE RIM of the Sea of Strayed Hopes... but how?
Start by finding practitioners of old island traditions, for one. Do note that since ordinary travel to the Rim is so perilous, you may have to do some work to even secure passage, but the task should prove more or less trivial to anyone capable of surviving brushes with... well, you'll see.