Find the package that fits your needs.  Purchase 25 research questions for as low as $13.95 per research question for any time period (5 from each time period).    Not all questions have to be asked at once, they can be spread out over a period of time, plus be billed monthly during the allocated time period.   Must be used in a 6 month period.  5 question limited per month, unless paid in full.   6 monthly payments of $58.25.