what it takes
The necessary expertise or qualities, as in She's got what it takes to make a good doctor, or Inherited wealth is what it takes to maintain that lifestyle. This idiom uses what in the sense of “that which” and take in the sense of “require.” 
THINK YOU’VE GOT A HANDLE ON THIS US STATE NICKNAME QUIZ?
Words nearby what it takes
Example sentences from the Web for what it takes
Yazbek says no one takes names, and no one checks for weapons or other contraband.
But it takes more than just pilots to operate the drone fleet.Exclusive: U.S. Drone Fleet at ‘Breaking Point,’ Air Force Says|Dave Majumdar|January 5, 2015|DAILY BEAST
Marvin takes off his T-shirt and dives into his swimming pool.The Story Behind Lee Marvin’s Liberty Valance Smile|Robert Ward|January 3, 2015|DAILY BEAST
Finally, he takes us behind the scenes into how Obama came out in favor of marriage equality that same year.The Real Story Behind the Fight for Marriage Equality|E.J. Graff|December 30, 2014|DAILY BEAST
My trip takes the reverse path, and I begin by assessing the depth of my Shakespeare knowledge in his birthplace.
Then a nervous, anxious feeling that takes away my appetite, and prevents me from eating my dinner.
It is something which takes side in the child's breast with the reasonable governor and the laws which he or she administers.Children's Ways|James Sully
He has drawn a knave and a six; he takes another card; this turns out to be an ace.
If any one has lost his temper, as well as his money, he takes good care not to show it; to do so here would be indeed bad form.
We always lay our notes on the table, and he takes them, looks them over, and calls out what he'll have played.