Well as I have did eerything by self like self preparation of documentation and estimation of my income and expense and everything, with help from experts it is free and easy to do.
Just do one things to gather information about everything.
Your source of income
Your assets, salary etc
expenses all like loans, travelling, food, house constryction, functions, what so ever you remember.
Then come up here I will try to guide you to fill up the forms.
To be active on FBR you need
01st July 2013 To 30th June 2014
01st July 2014 To 30th June 2015.
02 years expense and income seperetly.
Remember Assets are equal to liabilities always.