Anyone got 3 year TN visa as Accountant?

Hi, this will be my first time applying for TN Visa at Pearson Airport within 2 weeks.
I am very nervous and shaky.
I have obtained the kit for $99 from TN Expert company and the content is quite helpful to be honest.
However, the new legislation of approving 3 years of TN Visa as accountant sounds quite risky business.
Anybody has done it? Or anybody has an advice?
Your answers will be much apprecated.

Thank you all.

Several people on here have gotten 3-year TN-1s. The CFR says "three years", essentially they just changed "one" to "three" throughout the regulation so assuming the USCIS officer you get is aware of the change I can't see why it would be anymore difficult.

Thank you Steven. Your advice was very helpful.
However, I decided to go for just 1 year as a rookie.
If that goes well, next year, I will try for three years.
Thanks again.