You need to know this, because you have to know what to expect, because you have to study the project before investing. You understand that as in 2017 there will never be. I am sure it is very profitable.
indeed, before going into a project, of course, we must know how the project works. whether it runs smoothly or not. because the market is sometimes difficult to guess clearly. especially nowadays there are also projects that are scam. but sometimes we really don't know.