When you have a Google Play card worth 75 and want to sell it, there are several options available.

One option is to look for online marketplaces. There are platforms where individuals can list items for sale. You can create a detailed listing about your Google Play card, including its value, expiration date if applicable, and any other relevant details. Be cautious when dealing with strangers on these platforms and ensure you follow the site's rules and safety guidelines.
Another possibility is to check with local classified ads. Some local newspapers or community websites have sections for classified ads. You can post an ad there stating that you are selling a 75 Google Play card. This can be a good way to reach potential buyers in your local area who may prefer a more personal and in-person transaction.
You could also consider asking friends, family, or colleagues if they are interested in buying the Google Play card. They may be looking for a convenient way to add credit to their Google Play accounts and your offer could be appealing to them. This way, you can avoid the potential risks associated with selling to unknown parties on larger platforms.