Most of the people are holding coins and making their collection big and sometimes selling them to reap profits. That is the main motif of the traders.
Altcoin trading is profitable but very risky as well. You never know which developer is going to turn into a scammer and run away with your money. Many such coins claim to have found the ultimate solution of all problems on the earth - those are mostly scam coins.
So a lot of luck is needed since one needs to get out early before the coin turns scam.
On the other hand there are several legit coins as well and those which are worth investing in.
Yes, you can have a lot of ideas, you can earn some ideas and knowledge in tradings, but you are the only one who can decide on what business or where you will invest your own money. A lot of scammers out there, but in sometimes, we are the one who are not alert on it. We should know what are their ideas or they are only a scammers and we should run away with them. Just a simple advice when you are going to invest your own money.