Zero fees for life to anybody that joins them this week I think July 14th /2021is the last day, if it’s after that you still get zero fees for 3 month…
What guaranty do you give? Are you legit by EU and US law?
They’d likely need a privacy policy if so. There may be some states or nations in Europe where one may not be needed by a Chia pool but usually every company operating out of NA/EU will have one.