Fear of going into the experience, for the next time to start will be easier and faster.
I invested some currencies in the year 2018 and I didn't sell them, I plan to buy more this year and I want to invest some money in some markets. I am waiting for a return from them to start again.
Investing is a game of profit and loss, and I do not fear loss.
If you are investing your hard earned money then you should fear about the loss you could encounter if you are taking a risk, not sure what coins you invested to have a bold statement but trading is all about top coins rather than the shit coins we have in the market and you need to be careful what coins you are trading and
bitcoin is the only coin that can guarantee a profit in the long run and that cannot be said about majority of the alts.
I think that everyone is investing their hard earned money because money doesn't grow on threes. It has to be earned. I guess you meant that no one should invest money that they can't afford to lose.
As for the bold part - there is
NO coin (including Bitcoin) that can guarantee you profit! I can agree that there is much less chance that Bitcoin price will dump like some shitcoin price, but no one can guarantee anything in crypto.