OLX is one of the best website for selling or buying used products.
It is the best platform to sell your used products because submitting an ad on olx is very easy as compare to other sites.
And it is the best app for buying used products because it shows many options at a time and it sort the products according to any particular area in a country.
OLX also provides chatting facility on the app and on wedsite also which make buying and selling more convenient.
Anyone can use it because of its simplicity to use.