Just stick to the Google AdWords policy and you can run any business smoothly with Google AdWords.
You can start by reading all the policies here: https://support.google.com/adwordspolicy/answer/1316548?hl=en&rd=1
OR hire someone who very well knows about the AdWord policy and can make your campaign + website policy compliant.
is Google is running third party tech support or is Google is making third party tech support adwords account
and one person is told me that now onwards no third party tech support adwords accout run on google, is that true?