Psychics have power over you.
Not true. You, and you alone, are the ruler of your life. A psychic can tell you things but what you choose to do with it is totally in your hands. The only power a psychic, or anyone else, has over you is that which you give them.
All psychics talk to dead people.
Psychics each have their individual talents and dominant mode(s) of receptivity. Linda does, however, have the ability to communicate with those who have transitioned.
Psychics know everything about you.
There are a lot of competent psychics but generally only that which is most pertinent to your life is revealed to a reader.