Many projects start. Fewer finish. The beginning is exciting. The middle becomes work. The end requires discipline that excitement no longer provides.
The final ten percent often takes as long as the first ninety. Details need refining. Problems need solving. The work that seemed almost done reveals more work needed. This is where many projects stall.
Finishing is its own skill. It requires pushing through when novelty has faded. It requires attention to detail when you would rather move on. It requires completing what you started even when starting something new sounds better.
What unfinished project deserves completion?