JooCommerce provides enough out of the box that you will be selling items online within an hour. The BIG plus is the attractive design.
If it were possible to give a 200 score on support I would. JooCommerce support is that good.
It is so intuitive I found little need to read all the documentation.
Value for money
You owe it to yourself to pay for the support of what is such a valuable extension. The developer responds to inputs and suggestions.