I love sales - Advice

Hello BHW, I hope this is the best place to post this.

So I've been a salesman for 4 years (I'm 20) and I love selling.

I watched a documentary on what I would consider a 'broker' but im not entirely sure the correct term. He would basically find a companies needs and find a company with over stock, buy it then find a company and sell it to them for profit.

I want to do the same thing but online. I don't have the budget for stock or a warehouse to hold it so I want to find the 'need' first then act as a broker and get a good deal for both sides and take a cut in between.

Obviously this has been done countless times and I know some members in this forum have done this before.

I'm not looking for spoon feeding but practice advice.

Where could I possibly go online and find companies 'needs' and what would you advice as the best approach to finding this?

I'm very interested in doing this as an individual. I'm not looking to be a millionaire over night. I would certainly like to get started however.

I don't like 'affiliate marketing' as it's not really the approach I'd like to take.

Has anyone any practical advice on where to go and how to get started?

I know a method, I haven't personally used it so I can't guarantee anything.

For example, find someone who can make a website for $50, then for example, buy ad space on this forum saying that you'll create a website for $100. When someone orders from you you simply order from the guy that knows how, when he is done you simply give it to the person that has ordered it from you. There, $50 profit.

Hope I could help.