It will be a little more pricey (I got mine off Amazon for $11 plus $7 for shipping, but I collect cars from movies, and after seeing The Batman, I had to have this one, so the race as worth it to me).
Do note that we're not talking about stuff like rare statues that cost hundreds of dollars right from the get go or special prototypes that were never officially released. We're talking about actual toys featuring Batman that kids could have purchased that are now worth a lot. 15 1960s BATMAN WATER PISTOL ($350) jKfD.