I would like to modificate Open cart like that :
1. I want to add many eshops inside my shop. What i mean is that i want the ability a shop or a person to sell their products inside my shop. So i want to give the oportunity to a shop to create a account inside my site and admin his products.
2. i want to create some product categories and all of the registered shops to add their products inside that categories so the guests can choose through many products the cheapest.
Please answer only if you have good skills in php and mysql .