This is my first time doing waiver and I did all by myself with the help of this forum and online search. So i want to give my experience back to the forum as my "thank you"

I reached the office at 5 AM. there were 3 people before me. they got the sign up sheet around 5:30 AM. started taking the applications at 8:05.
there are 2 people inside taking applications, asking questions, taking finger prints etc. It took approx 20- 40 mins for each application.

I went inside around 9 am, just because 2 people in front of me had insufficient documents, so they turned back with in 10 mins.
I went inside officers checked my application, took finger prints. but there was an issue with their computer. so they made me and rest of the people wait outside for 1 hour till they fix the issue with their system. I was called again at 10:05, i went inside. They verified all the papers. I arranged them very nicely as per the requirement. so it took me 20 mins inside. I was out by 10:25.

MUST have forms

Original proof of citizenship and a copy
2 - I 192 applications
4 - G325 A forms (someone had to go back just because they got 3 forms)
RCMP original
personal Statement regarding inadmissibility and proposed activities in US
Personal statement regarding criminal convictions

above are must have forms and there is a list of recommended forms. let me know if anyone wants that too.