You can use the Points System on characters your not planning on adding them on. Like on a background character. As for gains this is what her website says, I quote, "Once a flag is gained, you cannot “un-gain” it. So be sure to not use this method with dressing games. If you do, you will need to put a “yes/no” choice inside each outfit option with the flag inside the “yes” choice. To see an example of that, click on the button below:"
You can use flags I believe here: