I get 300 visits, not 110, and with a very bad domain name, and a bad messaging strategy as I repeat a lot in the video.
The only cost are token buying (after you acquired and/or scraped your proxies), and there is no cost if you do a joint venture. So you have to generate more than 30$ to cover the cost (if you don't do any JV). You can easily make more than 70$ if you have a good strategy, and the EPC you can get with a good strategy on Tinder is far superior as the EPC you can get by buying traffic on any other dating website.
I will not make a video to show a perfect working strategy, but you will have soon some review from my customers, showing that a lot of money can be made out of Tinder. But none of them are going to just tell you which message they send, on which offer, with which country and which domain name. You have are a powerfull tool, you can't always ask for a tutorial on how to make money from scratch without any work. And the work, here, is to found a good strategy. And you know, even with my only 300 visits because of my bad strategy who was there just for the demonstration, if I sended these 300 visits to an offer, I will have made 40/50$, easily.
And again: I understand you scepticism about it, and I understand your (wrong) math, but keep in mind one thing: if there is people who are generting traffic with Tinder (as I do), it's because it's worth it, but you have to found the right offer and the right strategy.