--scoring focus groups is where the money is at. consequently, many many people are vying for a handful of slots. register for every focus group you can find to increase your odds. yes, it is a pain to fill out that initial profile but once it's done you are in their database and ready to get screeners! i suggest doing batches of 4-5 at a time so it's not so tedious and keeping a list of the ones you have joined since it's impossible to keep track of all of them!
and don't forget to also sign up with all the previous focus groups i have mentioned: