Or you could just look into it before handing over your cash and save some money. It's like saying you'd rather give a Nigerian your bank details and see if he deposits a trillion dollars in your account. If not, well then you know.
I'm calling the practitioner the hippie, but if your sister is punting it then...well...I've got some bad news for you...
I'm calling the practitioner the hippie, but if your sister is punting it then...well...I've got some bad news for you...