A parachute only works if you jump. Preparation without action is a backpack you carry around.

Preparation feels like progress, and it is, right up until it becomes the entire activity. A packed bag, a finished plan and a full notebook do nothing by themselves, since all of their value sits on the far side of an action you have not taken. Carrying them can feel so much like readiness that you stop noticing you have not moved.

Look at what you have already prepared for and choose the smallest committing step. Send the application, book the thing, say the date out loud to somebody. Preparing can continue afterward, with better information to work from.