how to setup a domain reseller business? how much can we earn form it? how much do we need to invest?

how to setup a domain reseller business? how much can we earn form it? how much do we need to invest? Is it a good business idea currently or is there too much comptetion? ANSWER TO THE ABOVE QUESTION Usually reseller plans comes up with an already prepared website to be activated after payment, after this one may choose the products and sell them consequently. The quantity of money a reseller will make depends on the amount he has to invest in each product. Domain reseller plans are sold by various companies, at minimum rates.