Hi if you are looking for any reliable e-commerce hosting provider .Then i will recommend you to approach
TuckTail.com here they are rendering quick shopping cart service using which you can easily design a e-commerce website as you wish and also host it online at free of cost ...The plan starts at cost of $9.99 per month .Once you sign up for account choose template based on the type of your business ,add your products ,start selling your products .They also render good customer service and support ..