What you really need is a good stash of cash to get you through the tough and sometimes lean times ahead.
I had all the hours etc but started instructing with little money left after everything including the move, this meant i started out with with financial issues that you really don't need when being payed per hour to fly.
I know this reply is not an answer to any pre course hours exams etc but nonetheless if i had to start instructing anew, i would have ensured somehow that i would have had at least a few months grace to get me going.
For the first time you will actually be payed to fly, this you MUST enjoy