There are many things that need to be consider if will start investing in a coin. First is look how good the coin is and if how strong their platform and structure. Second, check if the coin have great potential in the future and lastly check the coin in there are a lot of investors who will invest in that coin.
You should also consider if they will reach their softcap or hardcap if possible since because no matter how strong platform they have if they didn't reach their softcap it will be all in vain. You should also check their roadmap and the profile of the developers.