How do I fund Poloniex?

I'm curious about funding my Poloniex account. Could you walk me through the process step-by-step? Are there any specific payment methods that Poloniex accepts? Do I need to verify my account first before I can deposit funds? Also, are there any fees associated with depositing funds into my Poloniex account? Lastly, how long does it typically take for funds to be credited to my account after I make a deposit? I'd appreciate your detailed explanation.