Analysts now Qualitest USES people for DATA and NOT PAY for their work done

On the 23 August 2024 I received an email invitation to join their text conversation study again, which required me to send 25 sets of my WhatsApp conversations and a picture for $125 which is $5 per set. I did that and, on the 3 September 2024, I sent an email asking when does the project end and payment and only today they responded with an email that I didn't make the cut. Now I sent all the required information with the pictures and did 25 sets for them to advise that I didn't make the cut, they used me and my confident WhatsApp chats for their research, and they refuse to pay me the $125 for the 25 sets. It's not the first time they actually don't respond or have excuses when people ask for payment. They are using people to collect Data and after they ensure that they don't pay. Also, they always have excuses that they are busy or swamped up.