To be slightly more constructive: You have at least one entrenched, successful competitor with lower prices and more features. This proves there's a market, bu

To be slightly more constructive: You have at least one entrenched, successful competitor with lower prices and more features. This proves there's a market, but it means you're also going to have to be good at marketing to succeed. Especially because the product is something people are very risk-averse about and the switching cost of re-uploading everything is a big pain. You might enjoy the book The Knack: How Street-Smart Entrepreneurs Learn to Handle Whatever Comes Up by Norm Brodsky and Bo Burlingham. There's a lot of war stories from author Brodsky about his document-storage business (a similar market to yours) and how he differentiated it from competitors.