1. THE DESIRE TO BE BETTER
People spend thousands buying knowledge, learning skills. No matter how expensive it is, people still spend on it because they feel it will make them better.

2. THE DESIRE TO BELONG
Nobody wants to be left behind, that's why people are ready to spend big on luxury stuffs.

3. THE DESIRE TO HAVE SOMETHING THAT WORKS WELL
People will only spend crazy money on stuffs that they believe will last.

So, before you sell something, anything, ask yourself these 3 questions: Will my product/service -

1. Make people better?
2. Make people belong?
3. Last long?

If you can honestly give a "YES" answer to these 3 questions and make your potential clients see this also, then they will buy whatever you're selling.