Deceived by Payment Promises for Incomplete Tasks on Telegram

I keep getting given tasks on this platform with the promise of payment and commission once I finish them. But they told me I can't get paid or my commission until I buy stuff and finish all the tasks. So, I talked to the customer service peeps and they said that the last task I did was the end of it all. So, I sent the money over. So, I found out later that there were still three more things to do and they didn't give me back the money for the stuff I already did. That's not cool, man. This is a never-ending circle, they have no intention of granting me any of these promises, pretty sure of that. My other concern is to let everyone else who can fall for their half-truths and false promises know what a dangerous platform this is.