Do you think you'd listen to something like this?
hn at strapr dot com
a lot of it is practice and experience; even if you don't have any ideas you like, you can get the practice and experience in while you're looking for the idea you believe in.
besides, sometimes those me-too products tend to have lives of their own.
Planning to launch on the 5th of Feb, which is the date (4 years) since I wrecked my knee and started working on this project to keep my mind busy. See https://velox.io
Do you offer 1:1 mentoring?
Momentum tends to work better than any one 'technique'.
It's coming back soon though.