I think we all know his actual hometown is Vegas but what some are saying is that maybe he's adopted DC as his hometown and maybe will give a discount.
The only reason he would is to make sure the team can sign other players to keep the team around him competitive.
My guess is he wants to play in a real baseball town packed with its own passionate home fans every night. DC is not just a mediocre baseball city it is a lousy sports town all around. Cubbies here he comes