Although you have designed a good form but i have not fill the form yet. More importantly, what will be the outcome of this data ? Will you compile this data and share with the gambling sites ?
^ The same here, I visited the form but I did not answer the survey. What is the benefit of the site or a gambling site to this survey or what is the purpose, it is for good or probably for bad/fraud, I hope that is not. Nevertheless, it is basic information to know about the transaction fees. Even Fortunejack that has a free withdrawal fee can still manage if they wanted to lower the fees or for free. Nevertheless, there are altcoins that has a lower fee than BTC, I suggest TRON since TRON network has lower fees than other blockchain networks.