Here :
http://www.buzzerbeater.com/community/rules.aspx?nav=Econ...Read about the merchandise income.
Standing out players or draftees that turned out good to name a couple of exemples will increase your income (and you'll lose that extra income if you sell them).
It's very similar to what you suggest in your last post and it's already in the game.
I find that people look too closely at the fan survey and go berserk when they have a tiny half ball somewhere, frequently in the "I am familiar with the stars players..." when ultimately only the general "All things considered..." matters and it usually remains stable.
Not all the questions are equally important in the survey, the last two I believe are marginal unless you work overtime on the TL.