When this slave became broke, he had to be punished and handled like a broke paypig needed to be. That is why when he showed up at this mistress's house, she cruelly turned him into a foot slave and she had fun trampling him while she chatted with her friends on phone. She had no time for him as he also had no cash for her. He learned that the hard way.
This mistress did not want student loans as she knew they would be a burden later on for her. So she had to come up with alternative ways of making her tuition and other expenses. She turned to blackmail findom and since she was hot and naughty, it was easy for her to get to know people's secrets and then exploit them to get the money she wanted for her tuition.
This mistress had done her research on this guy and she realized that he had all that she wanted. He was loaded and he was married. He had kids and he had a good career. So she teased him, flirted with him and she got him to have mad, naughty and kinky fun with her and when they were done, she used it to blackmail him as she had photos and videos of everything. He paid up.
Mistress Melissa did not need money from this guy but she felt that it did not hurt to try paypig fetish. So the mistress looked for a loser to dominate and turn into a paypig for her own fun and not for the sake of any financial issues she had. And it was a lot of fun for her as she did not have any financial target to meet even as she dominated him.