Filling H-1B/L-1 Extension earlier/last minute -Pros and Cons

Questions:

1) When i can apply for my H-1B/l-1 Extension?

2) What will be impact if i file my H-1B extension in the last minute of expiry ?

3) What is advantage of filling extension earlier ?

Answer for this questions are available in below youtube video link.


https://www.youtube.com/watch?v=J0VnD0FcKV4