Are you still taking 50$ per to be listed on your site? Or you made it free or increased your charge. It would be better if you are able to make listing free of cost.
Why on earth are they charging $50 to add a new site when they should be doing it for free? They clearly aren't very popular among crypto gambling review sites and they still have the audacity to charge fees in this manner.
There are plenty of options out there these days who are willing to review crypto gambling sites for free. These guys need to keep up with the competition.