In order to buy Bell Vouchers, you’ll need to have upgraded Resident Services to a full building. With Nook Miles+ and its expanded rewards system, you’ll be able to purchase Bell Vouchers.
Did you know if you press “X” while in the Nook Miles
Rewards menu you can view details about an item? It’ll tell you whether or not an item can be printed immediately, if it is something that’ll be delivered the next day, and other details.
You can purchase a Bell Voucher for 500 Nook Miles. You can buy multiple, and they stack in your inventory, but since they print individually, it might take a while.
Each Bell Voucher is worth 3,000 Bells.
How to Use and Redeem Bell Vouchers
Once you’ve got your Bell Voucher(s), head over to Nook’s Cranny. There, you can sell your single or stack of Bell Vouchers to Timmy or Tommy immediately.
And that’s all! If you notice you’re not using your Nook Miles, this is a great way to make a few thousand extra Bells with little effort.