Maybe try to keep a standard hourly rate of 12-14 and charge the same from all clients. And do work of that quality. You should definitely charge more than 9 fo

Maybe try to keep a standard hourly rate of 12-14 and charge the same from all clients. And do work of that quality. You should definitely charge more than 9 for the kind of work you are doing, but you don't want to lose this client till you don't have a backup. So tread carefully