User blog comment:Lost Labyrinth/The Sims Wiki News - 8th August 2013/@comment-14983666-20130809104418/@comment-2201555-20130809114716

Common trend amongst developers to release something as DLC, whether it be microtransactions, levels, characters etc.

I doubt we'll be getting an EP/SP on day one but I can definitely see Store Content making its way in pretty early on.