Well, since one of your associates never extended the courtesy of a reply to me (Aero Lark) after flipping the extra Aero models he had on the Aero FB group, I pretty much decided I'd return the favor in kind to your inquiries here. In spite of my first impression, I will make this exception and give you some pointers on how I bought my parts from Brazil.
Learn the quirks of online English to Portuguese translators.
Learn the currency exchange rate.
Search Mercado Brazil regularly.
Join the Brazil Aero Facebook group.
Get a Xoom account.
Word your inquiries courteously, both in English & Portuguese.
Be prepared to pay high shipping rates for large items.
Also, I no longer need the answer to the question I asked your guy a few weeks ago.