What is your PSL?

PSL stands for Personal Service Level, which has a relation to your Valuable Skills.

When you like to:
1) upgrade your Skills
2) you can upgrade your Services (deliver the best value you can)
3) you can and will upgrade your income

So, what's the 'Nr 1 Rule in marketing' according to your vision Paul?

Well, always be of value to your customers...
The more valua you can deliver to help more people, the more passive income you can earn.

It is a law of nature: "You have to give, to be able to receive,,,"