My sincere apologies that I’m two weeks late drawing attention to this Mansion section gem: parents spending tens of thousands of dollars on pro-caliber sports facilities for their kids. wsj.com/articles/wealt… 
"Kevin and Nicole Schoensee spent $120,000 to build a 93-by-40-foot professional-quality turf soccer pitch behind their 8,135-square-foot home...There, a professional youth soccer coach leads Sam and about five other players his age in drills and other training."
"Technology executive Scott McNealy listed his Palo Alto, Calif., estate for nearly $100 million in June, touting the home’s enclosed ice-hockey rink, 110-yard golf green and indoor gym that he says helped develop his four sons into top college and professional athletes."
"The volleyball court was intended for his daughter, Briley, who is now 20 and plays volleyball at James Madison University. A hockey portion has synthetic ice—no freezing arenas here—and allows Mr. Brind’Amour’s oldest son, Skyler, to practice shooting when he is home."
"Custom Ice in Burlington, Ontario, said some customers have spent $2.5 million to $4 million to build enclosed, regulation-size hockey rinks at their homes. 'I call sports today ‘high-school pro,’ ' said vice president Glenn Winder."
"Abby & Mason Phelps [included] a basketball gym in their 12,000-square-foot home in Chicago’s Lincoln Park neighborhood. 'We made sure the dimensions of the court are bigger than a racquetball or squash court so it can be reformatted,' said Mr. Phelps, 39, a derivatives trader."
