How much would you pay Federer for private lessons?

The older Roger Federer gets, the more questions will be asked about what he wants to do after retiring. Well, fans may finally have a glimpse at the answer, or one of them.

During a press conference where he revealed part of his 2020 season plan, including playing at the French Open and the Olympic Games, the 38-year-old said that he would love to teach tennis, maybe even at the Rafa Nadal Academy.

Now, the question is; how can you score private lessons with Federer? And how much might he charge?