Straight answers
Do you build in more than one language?
Yes. English, Portuguese and Spanish, each at its own address and declared to search engines, so they can match each page to people searching in that language. Every version is written, not machine-translated.
Next step
Tell me about the business. Get a fixed quote.
A few lines on what you sell, who buys it and what is not working yet. I reply myself within one business day, and the price comes in writing before any work starts.