Selling a Play Store gift card in Nigeria can be a viable option to earn some extra cash. Here are the steps to consider.

First, you need to find potential buyers. This could be through various means such as online platforms, social media groups dedicated to such transactions, or word-of-mouth within your local community. Clearly communicate the details of the $75 Play Store gift card, including its value and what it can be used for.
Once you've identified interested parties, it's crucial to establish a secure way of transferring the gift card details. You can share the code or PIN associated with the card in a safe and encrypted manner. Make sure to take precautions to avoid fraud, perhaps by using a trusted escrow service if possible or having the buyer confirm their identity thoroughly.
Finally, after the successful transfer of the gift card details, ensure that you receive the payment promptly. Keep records of the transaction for your own security and reference. This way, you can smoothly sell your $75 Play Store gift card in Nigeria while minimizing risks.