How do you get bitcoins in 2019?

In today's digital age, the question of how to acquire bitcoins in 2019 remains a pertinent one. Could you elaborate on the various methods available to procure bitcoins? Do these methods include mining, purchasing from exchanges, or peer-to-peer transactions? Additionally, what factors should one consider when deciding which method to use? Are there any risks involved, and if so, how can they be mitigated? Moreover, are there any changes in the Bitcoin market that have impacted the accessibility or cost of acquiring bitcoins in recent years? Finally, what advice would you give to someone new to the world of cryptocurrencies who wishes to obtain bitcoins?