Buried Treasure in Credit Cards

With many credit cards today, you earn reward points or frequent flyer credits that you can use to pay for air fares. Alternatively, some of them could be used to make purchases at Amazon, Best Buy, Home Depot and a lot of other merchants. However, I recently discovered that it could also be used for something. This video will show what it is.

Видео Buried Treasure in Credit Cards канала Vlogger Grandpa