Most of us have smartphones. It is the cheapest way to experience 3D effect Google Cardboard with your smartphone. There are plenty of VR apps in google playstore.
1. Do not use dictionary word, 2. Use different password for different accounts, 3. Use combination of numeric, alphabet and special characters. 4. Do not use sequential character such as 'abc..', '123..'. 5. Do not use keyboard sequence as it is easy to be observed.