Yes MkSell support custom Taxonomies. You can do whatever you want.
Yes You can use it.
Yes Admin can add custom fields as many as they want
MkSell is build up with latest trends and coding standards. Yes it's fully customizable with visual composer
MkSell is fully customizable you can create whatever you want.
Yes Each user will have there own page and dashboard . And its compatible with Wocommerce.
Yes This theme is Google AdSense supported.Even you can use Image ads if you don't want to use Google AdSense.
Yes MkSell come's with complete Messages solution. You just need to go to your dashboard to see all conversations
Yes From theme options you can select add will be approved automatically or on approval
All Registered user can post free ads, And IF user want to post featured ads then user must need to purchase a plan.
Yes from back end you can change currency options