Hello and welcome.
You can find a spreadsheet with unit information here: http://www.fantasicaunofficial.com/t2685-guide-fantasica-units-monsters-list-spreadsheet-with-images
You can ask for prices and trade information here: http://www.fantasicaunofficial.com/t3448-price-check-trade-advice-thread
You can ask questions here: http://www.fantasicaunofficial.com/t3336-got-questions-ask-here
You can find allies here: http://www.fantasicaunofficial.com/t472-looking-for-allies-thread
And you may find answers to a lot of common questions here: http://www.fantasicaunofficial.com/t3518-a-compilation-of-frequently-asked-questions-faq-contributed-by-the-forum-community
PLEASE be sure to read the forum rules, note some areas might have special rules (like the Trading Center has additional rules).
Enjoy your stay!