Hello,
Well, yes, we have placed the budget more than your cost estimation.
Here's why we did so!!! Your website needs 3 login platforms -
1. User login
2. Vendor Login
3. Admin login
With unlimited product category, your website must have user-friendly and responsive features which allows your non-technical vendors to upload their regular belongings.
If we are not wrong, you want you we platform available both as a website and iOS application.
So, of course, it targets both your web customers and mobile users.
Your web platform can easily be made via PHP framework, Bootstrap, MySQL and JQuery.
For us, price always takes the back seat as your ultimate focus rests on quality. We assure you to provide a platform which perfectly fits into your requirements.
Let's discuss further
Regards
Prosenjit