In order to leave a review for a seller, you need to have some sort of engagement with them, either by having an offer accepted by them or by making a payment on the app.
Reviews can either be good or bad; in all cases, you help the community avoid scams and guide buyers to the best sellers out there.
To leave a review for the seller, please tap on "Leave a review".
Sellers will also be able to leave a review on your profile based on the interaction you have had with them.