My balance be so tight rope
That's hard to find
Wale is comparing his ability to be like a tightrope walker, which in the 2nd line explains that such a skilled person who can do that is hard to find.
To help improve the meaning of these lyrics, visit “Future” by DJ Khaled (Ft. Ace Hood, Big Sean, Vado & Wale) Lyrics and leave a comment on the lyrics box