The best approach is to focus on your objective while being mindfully aware of what your competition is doing. This would enable you to see the Big Tangible Picture of one's endeavor.
The Process of Building a Big Tangible Picture
Script your objective, the approach, the tactical specifics from start to finish, and every significant intelligence about your competition. Build a mind map of your Big Tangible Picture. Then, focus on connecting every relevant point.
Once the completeness of the Big Tangible Picture is assessed, the successful strategists usually understand their possibility of succeeding.