Olx is very good site for Buying and selling items or products.In Olx second hand and new products are avaible.
Olx is very popular site in the world.Mostly people like this site.
My family use this site for buying and selling products.And Olx app is avaible in Google play store use on your mobile now.
No, experience need in olx just manage your products and deal with customer.It is on you how you deal customer.Make account on Olx and you recieved messages and notifications.