Sorry if this has been asked/answered before - I did a search and didn't find what I was looking for. Is stringing at the major tourneys free? Don't get me wrong, I know that Fed or Nadal probably don't pay out of pocket for anything tennis related... but let's say Joe Qualifier gets past the first round of Wimbledon and wants fresh strings for his next match. He takes his reels down to the stringing room and they string the rackets up for him. Is this put on a tab? Is it covered by Wimbledon? Are tips given/expected? What about other smaller ATP tourneys? Thanks in advance.