You can add your id(s) for free and be added as a buyer for free too.
You must follow the buyers and sellers rules though. Click here to read them.
You will need to contact Cupim (11011) to be added to the list(s)
If Cupim is not available, you can request it through Loja Editors:
Cupim will be available every Tuesday on chat Loja to contact buyers and sellers.
The times are announced on the agenda page. Click here to go to the agenda.
If you cannot be online on a Tuesday, try to contact a Loja Editor (listed below).