The prediction of the signal may be wrong moreover today the market is really volatile and so many FUD are there that make the market worse. SO, when I read in some groups, that kind of signal may not really work.
But if you are looking at better crypto to invest in both for the short or long term, I think the top coins will be the right options. The COin must have are likely BTC and Ethereum. And you may also get some other coins or tokens like BNB, ADA, and CTSI. But for course, DYOr
Most of the signal groups are just aimed to the benefit of the owners themselves, even the paid ones. It is better to do your own analysis because it will help you long term. But if you want to try, you can always join the free trading signal groups and see for yourself how they are managing this service. You can get an insight from them but based on my experience, it will be helpful if you will do your own analysis. This will help you in the succeeding years of being here in the crypto market. And you will gain more tips and tricks along the way, which will help you spot potential scams, or pump and dump coins or great projects to watch out for.