Multi-vendor for both seller and reviewer
Seller UX - post products, categorize, image upload,
Reviewer UX - browse, sort, request products to review
Workflow - review finds a product, they request to test it, seller approves or denies, reviewer uploads order # and order image, seller provides the refund via PayPal and marks the order/test complete.
*Prefer the lowest cost option*
Please respond with what CMS or language would be best and an estimated project timeline.