Today webdesign becomes very complex because of clients high requirement. This is really good to develop the affordable HTML web design that might be very effective and attractive to customers. I also made simple web design in HTML that become very nice compare to other web design tool.
I think you should try your luck i Ecommerce website designing. A variety of tools are available on the internet which can be used to design an ecommerce website. And you have sufficient knowledge to handle small technical problems that may arise while implementing an ecommerce website.