Except for some new traders, most experienced traders do not relay of paid subscription for any price prediction groups because a lot of those groups are just purely scam and nothing else. Some could be real but only very few but despite that few are real, you can not still be accurate of price prediction all the time because the price of cryptocurrency is usually very dynamic.
As a trader, my best trading strategy in alt coin investment is to buy on a low price and sell high. I trade more of the coins that are only listed of tier one cex and I prefer to buy coins with very low price (e.g: $0.0001 or $0.05) so that I can actually buy a huge number of the coin and if the price can just move from $0.05 to $0.15 it can give a tangible profit. Also, I like to trade mostly on newly listed coins. Lastly, if a coin is listed with just a small trading volum, I will dive in because I know that as the volume keeps growing, it means more investors are pumping in funds and it will surely chase the price to go up, but if it's listed with a huge trading volume, there are chances that the volume can be dropping gradually so as the price.
Traders won't recommend paid subscription because they realized that the key to become profitable trader is not solely in the strategy.
They learned that we only need one strategy and master it because there is no strategy that have 100% win rate. So if you keep joining paid mentorship program, you're just wasting your money and time because when you apply it in your trade you feel like it's not working, you just didn't realize that the real problem is you, our mindset.