Selling on the internet has 3 great advantages: 1- Sell to more people in the same time span. 2- Change fixed rental and inventory costs for variable marketing costs. 3- Divide the sales process into steps that make you sell more than you would sell by making offers to any passer-by. If you do not know how to measure what happens on your page or online network, you are only betting as a Gambler. Chances are minimal to be here in 5 years time.