I've been using different email address and rotating different browsers (Mozilla & Chrome). Didnt have much issue until recently. Could be tracked through cookies on the computer. Will try to use different computers (mobile phone, work) as suggested in previous . Hopefully not tracked through...
I had a similar situation. 4 Between me and my wife. I received this response.
Hello,
I apologize, but the reason you did not receive a coupon for the survey you submitted on March 9th is because you had already completed 2 other surveys within that 7 day period on March 6th.
As per the...