I am in a similar situation, only that I already executed my idea and I am already being copied:

https://news.ycombinator.com/item?id=9206629

Hoping to get some opinions on how to go forward.

Regarding your question: It sounds like you only want to execute the idea for the money. I think: Either love the idea so much that you do it no matter what, or find some other idea that you can do for the love of it.