6.5 years. What helped most was doing a little bit every day. Taking time off the project would probably have slowed my motivation. Also, at some point, you hav

6.5 years. What helped most was doing a little bit every day. Taking time off the project would probably have slowed my motivation. Also, at some point, you have spent a lot of money on a project like this, to the point where you kind of have to finish it or you've lost a lot of sunk cost.