The Best advice i have is do your own research, if you dont understand it, dont invest in it, its better to miss out than to loose your money.
How could this help? Does DYOR direct you to the best investment you've said? Is this enough?
That is why we have this forum to collect ideas from others but base on your statement, you are disclosing others to speak up and just ignore them. We need to become open-minded and we need to listen to others that are very important, and it's up to you to consider his/her opinion or not but not in a way that you are ignoring them and saying you are good at this and they are not.