Just one bitcoin
Bitcoin is the most profitable crypto to all investors. Bitcoin is the first digital asset to hit the crypto market. In fact it was more profitable for its early investors.
Bitcoin should not be compared to altcoins in any manner, but because they are all crypto, we shall discuss them both. Altcoin is the most profitable cryptocurrency investment in terms of profit. In terms of dependability, Bitcoin is the most dependable coin on the planet.
The decision is yours: do you want a high-risk investment or a low-risk but yet profitable investment?
If yes, the buy and hold Bitcoin.
I think if I have large capital to invest then choosing Bitcoin alone will be enough to make a large profit, but if I am not yet rich and want a larger profit then altcoin is an option, or investing in both can combine risk and profit. therefore knowledge is very important to choose which altcoin to invest in, remembering that the risk in altcoins is higher than investing in bitcoin. or speculate a little on new altcoins, this will make us suddenly rich if we are lucky
Well, it's a good idea about altcoins. We know that altcoins tend to not be alive for too long. That's why many investors in crypto currency are taking advantage of the new altcoins and shitcoins. It may be risky because the coin could not last long, but with the right execution or entry into the market, you can earn a lot or a big hit. But the thing is, it is most applicable to trading. You buy some fraction of the shitcoins or altcoins, then monitor the market until the price reaches its peak point, then sell if you analyse that the price of the coin will drop. It is risky, yes, but it is also rewarding if you can execute well.
If the investor wants to go long-term without worrying about their investment, then bitcoin really is the best option. They can do altcoins, but many altcoins are too risky to go long-term. Anyway, it depends on the analysis of the investor.
) depending on the risk you can take. There has been many coins/tokens that have done really good profit in a short time but have equally gone down eventually. People who are able to make profit from such are people who know when to take profit. However, if you want to invest and make profits without having to be in the watch 24/7; being scared that you may have lost, then Bitcoin may be what you want. 
