1- Make the best decision for you in terms of pricing and conversion target (just go even or aiming to make some money?); 2- Send all your users a very clear me

1- Make the best decision for you in terms of pricing and conversion target (just go even or aiming to make some money?); 2- Send all your users a very clear message (no explanations, just the new terms and conditions) and allow a 30 days period to convert or recede; 3- On day 31, just switch.