you have to make or buy them
So
Buy them in Elluell
If each arrow is $2.09, then 12 arrows cost 12 * 2.09 = 25.08
Buy them!! Use the GE, or an archery shop.
When it gives the buy option, that lets you choose the number of arrows, the confirmation button is on cancel by default. So you might say, tell it that you want 10 arrows, then try to press A to confirm, not realising the cancel option is selected, you have to move it over to confirm first.
You may accidentally be cancelling the transaction after selecting how many arrows you want. That is because the cursor is on cancel by default, instead of accept.
You can buy them, or you can get them by defeating some enemies and breaking things. Kakariko is good to buy your supplies. Day (Supplies and items) and night (Oil and Health)
You can buy arrows at the Shop in between Curiosity Shop and the Bomb Shop.You can Buy thirty arrows for forty Rupees or fifty arrows for fifty Rupees.
no because it was a gift for members and non-members in the holidays.
Ebay or amazon
You could try to sell arrows at a general store or at an arrow shop. The arrow shop will buy it for more money.