By only sending you questionnaires you are already qualified for, Pinecone wastes far less of your time than many sites which require you to fill our qualifying questions before starting each survey. However some users have said they don’t receive very many surveys, which could be a consequence of their careful filtering. Equally the site retains the right to remove you from their panel if you no longer fit their desired demographic, so make the most of your membership while you have it!
Instagc is by far my favorite site. There are tons of surveys, email sign ups, free sample offers, videos, etc. Once you earned enough (usually about $5) you can redeem for gift cards INSTANTLY. They also have pay pal and direct deposit. As a stay at home mom with a tight income, Instagc has been a godsend. It’s free to join, of course. Here is my referral link: https://www.instagc.com/1232478
IOCS is a not-for-profit research organization that conducts studies and experiments on shopping-related behavior – things like how we, as consumers, evaluate products, how we make the buying decisions, etc. Although the focus is mostly on shopping related behavior, some of their experiments and studies include broader areas of marketing, psychology, and economics.