I need help to update ( Maintenance ) my eCommerce site?

I have recently made a ecommerce website like a shopping cart where i have to manage the products and description at the backend in the Admin panel.,like meta tags , title tags , adding new pages , editing pages etc etc .I am just finding it a bit hard to update it myself cauz i am busy with other things. I need someone help to update my website or in other words Maintainance of my ecommerce [login to view URL] work would be no more than an hour a week and might increase after couple of months and its a very basic work.I dont have a very big budget or anything cauz its a new website and not earning any revenue right [login to view URL] would be helpful if someone will guide me in a right direction . Thanks for your help.