Evaluating Psychic Healers

I recently met a self-proclaimed psychic who says I have a generational curse that has closed off my chakras, making it impossible to find true happiness. She says she can clear the blockages, eliminate curses, etc. by her meditation and powerful healing rituals. She uses crystals, tarot cards, candles and various other items. Do you give this type of “spiritual healing” and “cleansing” any credence? I know shamans and holy men are used in many cultures. She did seem to have an uncanny knowledge of aspects of myself and those around me. Of course, it is not inexpensive to have this type of healing…