If you are new to Bitcoin and want to get directly involved with it, especially investing in the long term, then the first thing you have to do is understand the basics of Bitcoin, then continue to learn and increase your knowledge about everything related to Bitcoin, including monitoring the market regularly and conducting personal analysis before starting to invest so as not to make the wrong decision.

Over time, you can develop an effective investment strategy and manage risk well. The most important thing is not to rush into making decisions and try to invest with money you can afford to risk. Investment strategies and risk management are also essential for determining investment goals. DCA is commonly used and easy to apply for beginners just starting out in investing. Don't forget to always set stop loss and take profit to limit losses and secure profits.

Never be afraid to go further, especially when it comes to Bitcoin, because after being on the Bitcointalk forum, you will gain a lot of knowledge and can also ask seniors directly about things you haven't mastered.