You've put it in the right words. You said
When you hesitate, it makes your position vacant for anyone to take your place, there are a lot of people with similar ideas all around you, so the more you hesitate, the more it gives more people the opportunity to take over your ideas and do something better and bigger with it.
I noticed this with a suggestion I was going to make on Utopian. O had the misleading notion that that idea was Virgin land. Lo and behold, there were two similar suggestions already. Delay is deadly.
Delay is really deadly friend, it is better we act immediately