Customer/user interviews are great ways to make extra money. User Interviews and Respondent.io are good paces to start. Here’s a list of online focus groups worth looking at: Rare Patient Voice FocusGroup.com * PingPong * Fieldwork.com ExperienceDynamics.com FindFocusGroups.com Mindswarms.com SurveyFeeds.com FieldVoices.com SISInternational.com Survey Squad @ PlazaResearch.com ProbeMarket.com RecruitandField.com dscout.com FocusGroups.org FocusInsite.com GLGInsights.com