Yes, it does: a 0.38% tax on financial operations [IOF].

No, you don’t. You only have to pay the amount due by the deadline to complete your purchases made abroad.

Banco Rendimento gives you a three-day deadline after its issuance. After that, the “boleto bancário” [bank payment slip] loses its validity.

No, you can’t. The use of the Brazilian currency is compulsory.

Yes, there is. Transactions up to USD 3000 may be concluded without having to sign an agreement.