Is E-Trade free?

Hello there, I'm curious about something regarding E-Trade. I've heard a lot about this platform for investing and trading, but I'm not entirely sure if it's free to use. Could you please clarify if there are any fees associated with opening an account or making trades on E-Trade? Additionally, if there are fees, could you elaborate on what they might be and how they could impact my overall investment experience? I'd really appreciate your insights on this matter.