Gender, traits, and aspirations don't matter (although traits like romantic and outgoing will help). Lifespan can be whatever you like, although long will make it easier on you, this challenge can take a while. In a new game, create a single young adult or adult in a family alone. In my defense, none of the actions you take aren't already in the game! THE SIMS 4 BROTHEL CHALLENGE, PHASE ONE: STARTIN' FROM THE BOTTOM Sorry in advance if I break any rules, MTS mods.
But I've been developing this challenge for several days now and I'm having so much fun playing it that I decided it was worth risking a ban to try and share it. Long time lurker here, never had the impetus to post.