What advantages and disadvantages is there with people testing their dna at home?

The advantages are that you have easy access meaning you can take test frequently to catch cancer or other diseases before it can get any worse. You can also test yourself anytime in the privacy of your own house without having to wait in a waiting room were you can possibly catch diseases or viruses. The cons are you can make a mistake and you might get a false positive. Since you do not have the presence of a doctor to guide you on how to take the test properly.