“In preparing for battle I have always found that plans are useless, but planning is indispensable.” ~ Dwight David Eisenhower

If you have read all that then you should be well enough prepared, then it is time to sit back and get ready, plans must be flexible and it is always what you did not plan for that is when you run into trouble, sometime good old fashion ingenuity and a conquering spirit is your best advantage. Don't stress about everything, tackle each problem as it arises.