Robinhood crypto have a good promotion now that offers 30โฌ + 11โฌ answering some questions, Robinhood is a well known platform that also works with stocks.
the Only thing you need to do is deposit 30โฌ and you will get the 30$ bonus as BTC , then you can cash out immediately without any fees and you will still have the 30$ as BTC , then you can answer some questions for more 11$ free , i used Revolut to do this.