Yes vsegothe people can make money with affiliate marketing and there are a lot of successful ones who quit their job already and started working as an affiliates by delivering solutions to niches.
In fact i am affiliate marketer also and recently achieved my forst success online.I have bought one products and sold it as an affiliate which resulted me in 500$ my first month.That is 9 times back my investment in that product.
I have made even my website regarding my success story and share with people my case study and proof of my earnings.
You are welcome to visit my webpage HERE