Wie rentabel ist Bitcoin Mining?

Could you elaborate on the profitability of Bitcoin mining? As a cryptocurrency professional, I'm curious to understand the various factors that contribute to its earning potential. Specifically, I'd like to know about the initial investment required, the current market conditions, the difficulty of mining, and the potential for future returns. Additionally, I'm interested in the risks involved, such as the volatility of Bitcoin's price and the potential for competition from larger mining pools. Your insights would be greatly appreciated in helping me assess the feasibility of Bitcoin mining as a profitable venture.