The visa application is always unique. No matter how many instructions and guidelines you follow- your case will be different from the next person's. That’s why it is always a good idea to start working on your visa application as early as possible.
I have discussed all the steps of UK Visa application for PLAB 2 in three parts. You can give them a read to have a total idea of how to attempt at the whole application process.
This post I will discuss more on the FINANCES which logically falls . . .