Translation of célebre

I congratulate you on your move to become a private Spanish teacher. People need to believe in you and the most important thing is that you need to believe in yourself. It won't be easy at the beginning.
I received your previous message. Sorry, I did not make the connection earlier, as I did not remember your company's name and have not met Jack Ulmani. You have probably received my address from Allan.
The American (his name was Jeffrey) meant that this is the hour where usually the price of goods went down as the sellers were under pressure and did not want to return with the product.