Another day, another problem!! How can anyone have a car that has so many unrelated problems? Are you trying to get some sort of record? The way things are going with your Focus it just does not seem like reality to me.
As to your constant remarks about dickhead mechanics I can only say that if they are as bad as you make out they are, they are not proper mechanics but maybe "self taught " like yourself!!!
All the problems that you have had with your car could have been fixed easily by a time served properly trained mechanic from loads of reputable garages.
No one on this Forum minds helping out with free advice but you have tested peoples patience to the limit. Maybe this has been your plan right from the start!!!!
Keep on doing the repairs yourself up to your very high standards but please dont bore us anymore with the details!!!