I tried the Bronze membership one time but was disappointed that there was no real information. Then, last March, I got an email about a trial Gold membership for three months. I bought it. I was flooded with emails. Many of them were repeats, but I really did get benefit, such as companies with interesting mystery shopping assignments that I never would have known about otherwise. I'd say the best benefit was that I was given information on merchandising companies that really did have jobs in my area, and I could see the description. Therefore, I didn't waste my time applying with companies recommended on websites that might not have anything active in my area. I have lots and lots of merchandising and mystery shopping companies on lists that I hope to get to someday, but Shadow Shopper made me apply with new companies in a much more organized way because they had work in my geographic area "right now". I am now working for some of these companies.
I paid for this membership with a gift card, which I made sure to use up before the deadline. I forget the exact amount, but I think it was $33. About a week before the deadline, I got an email saying they couldn't use the "credit card", inviting me to renew my membership. In fact, they gave me an extra week of free Gold membership to think about it.
I classified the emails I received as either Known, Used, Couldn't Use or Repeats. Of course, some overlapped, but they were recorded in only one place. During this three months and one week, I received 134 emails about situations that I already knew about or would have known about if I had been checking websites with which I was already registered. There were 182 repeats. One hundred and sixty three of them were notices that I couldn't use, either because of distance, or skills I didn't have, or other similar reasons. There were 53 announcements that I responded to. Some turned out to be things I didn't want after all, but that wasn't many out of the total. They were both mystery shopping and merchandising. I did not keep a record of how many of those applications were actually accepted.
Therefore, I received about 14 emails a day. I received more than one a day on average that I could respond to. I call that money well spent.
On their website, Shadow Shopper keeps a record of how many I responded to. They have a really good website with information on how to make a resume shine, for example. I am a former professional resume writer. They were giving very good information. If I needed to pick up more assignments quickly and had more time, I'd certainly do this again.
While the free sites do help, they often have things outside my geographic area, and they don't flood me with emails about possible jobs, either.