Hi if you are looking for reliable hosting provider to host your joomla website online .Then i will guide you to approach
TuckTail.com their shared hosting plan starts at cost of $3.99 per month and varies depending upon your requirements ...Then plan includes CMS or web applications like joomla ,oscommerce and so on using which you can easily build a e-commerce website and also host it online .They also provide good customer service and support....