I don't know what kind of expert you are looking for or need in this matter, because if you just want to know about Bitcoin and learn everything that has to do with Bitcoin, I think you can also find that on several websites that you can use. as your initial reading to find out about Bitcoin. But if you want to get Bitcoin so you can trade within a certain period of time, you only need to provide as much capital as you can and buy it directly on the market or large exchanges that are very well known like Binance.
But it would be better if you first learn about Bitcoin thoroughly by reading more articles on the internet or in this forum so that you are no longer careless when you start trading. Because I'm sure there are many beginners who regret experiencing losses and blame Bitcoin, even though they themselves still don't have more knowledge about Bitcoin. So, as a beginner, you should be better than other beginners in Bitcoin, which means you have to be willing to learn seriously so you can be successful and have more beautiful dreams.
The mindset of most newbies are to always want to make money quickly, so the first thing they do when entering the market is to find experts with the hope of inheriting the secrets to becoming professional quickly or having a way to make money quickly without having to know too much. Very few serious beginners start from zero even though there is a lot of knowledge about bitcoin and cryptocurrency on the internet, but they don't search for it but instead always ask where the experts are. That is also the reason why newbies easily fall into the trap of trading signal groups.