this royal inn.King Charles III is “miffed” at his son, Prince William, after the 74-year-old ruler was informed he would have to shell out a hunk of cash to stay at the family’s Welsh holiday home, according to a new report. The Prince of Wales, 41, plans to rent out the quaint cottage, which the king purchased in 2007 for an estimated $1.5 million, and has since renovated with the help of architect Craig Hamilton and input from Queen Camilla and her interior designer sister Annabel Elliot, The Mail on Sunday has reported.