When a product is offered at unbelievable prices in an online platform like OLX, think twice. This video from The Covai Post gives you case studies where the online platform is misused and also gives pointers on how to proceed with caution while purchasing or selling online.
In case of any dispute, OLX and the banks will shrug off their responsibility and the onus will fall on the user. It is better to be safe than be sorry.