Exactly one should not put all amounts in just a single day because there are regular ups and downs in the worth so try to analyse the market and invest little by little according to the market shifting. It is also suggested that if you choose some good altcoins with Bitcoin then your profit will be extreme as these days some altcoins are trending.
Another better strategy is that whenever you have some payback in altcoins then sell these altcoins in order to invest in bitcoin but try to invest at the time when there is a decrease happening in the price of Bitcoin or altcoins and sell should be done when your money shows multiplication.
If indeed they have enough funds to invest at one time I think this is normal and they must be able to have a good plan for investing and be able to hold it in the long term, but if you can have enough time to be able to analyze the market it will certainly be better. It's good to analyze the market first and then invest and this will certainly be more profitable if we buy it when the price is decreasing, choosing several types of altcoins will of course be very profitable in time and this really depends on the altcoin trend and after making a profit from altcoins then we can choose to invest in Bitcoin, of course this will make the assets we own continue to increase.
Choosing a potential altcoin is the main requirement for investing, and the rest we have to be patient in waiting for it, especially if we buy when there is a decline, so that we can make more altcoins, and have the opportunity to get a bigger profit. from all of this, in the end, we should not be greedy for profit or we will be disappointed because we missed the opportunity. But it would be better to save some of your profits in Bitcoin, which is the safest of all cryptocurrency coins