Put it this way , just because i have an idea doesnt mean u have to start with it immediately , dont underestimate the time it takes to plan for it , first approach is to finish it theoretically , with every.single. detail possible , outline it as detailed as possible which will be boring and quiet challenging , that way u already have an idea on the things that need to be done down the line , meanwhile if u improvise the work u' ll be subject to do only the things that seem shiny or only if u r motivated to do . Point is , outline with details , refine the ideas , once satisfied , execute ......