Step one. Find people who enjoy wargaming.
Step two. Invite them to play a game with you.
Step three. Show them how cheap this game is to get into and stay into.
Step four. Point out that every model in this game can be competitive.
Step five. Welcome your new players
Ok people need to quit saying this game is cheap, it is not. I best most of the players here have at least $300 if not more invested in this game.