The altcoin market is so crazy that you might be lucky to invest in projects like YFI where the value went ballistic or you might end up investing in a shit project with a fake team and stolen whitepaper. No matter how much research and analysis you have done, you can never guarantee success with any project even if they look like a diamond from outside. If a coin has good use cases then you can at least feel safe because the coin won't become dirt all of a sudden.