[quote=@ArenaSnow]
It would probably be frowned upon to post in casual and advanced; one or the other's the way it goes typically. Both have different connotations at any rate.

Doing a regular category + nation/general happens semi-frequently. You can get away with that no trouble.

Something like Arena generally only goes into Arena.

You probably wouldn't get in trouble for doing two regular categories (I haven't heard of anyone who has), but doing free/casual/advanced and/or throwing the RP into additional forums probably wouldn't go well.
[/quote]

I wouldn't say it would be frowned upon. After all they are Interest Checks, a way to see if there are interest for a particular RP. With the way casual and advance are and how some players swap between them both, a GM could use the double up method to guage which will get better support.

There's also this stupid "High casual" thing that people title themselves with and it's just an excuse for not going into the advanced section when those players could probably do advanced anyways. So as a GM, it might be a way to entice some casuals to join their advanced RP (especially if the casuals never venture into advanced)

What I think is more important is how you double up effectively without pissing off members of the site. Even without doubling up I see people bump post every few hours for attention and I think that is worse then spreading a little bit of awareness in a second interest area.

To be honest, going back to what I said before, doubling up wouldn't even be necessary if people just occasionally ventured out of the Casual area, or moved their so called "Casual" RPs to the Free or Advanced area.