The current rate of a 300 - dollar Amazon gift card can vary depending on several factors. One of the main determinants is the market demand for such gift cards. If there is a high demand, perhaps during peak shopping seasons like holidays or when new popular products are released on Amazon, the rate might be closer to face value.

However, in some cases, you might find that the rate is slightly less than 300 dollars. This could be due to secondary market dynamics. For example, some individuals or platforms might be selling the gift cards at a discount to quickly convert them into cash. They might have received the gift cards as gifts and don't have an immediate need for them on Amazon.

Conversely, there are also situations where the rate could be higher than 300 dollars. This might occur when there are shortages of Amazon gift cards in circulation, or when there are special promotions or incentives associated with purchasing the gift cards through certain channels. It's important to research and compare different sources to get the best deal when considering the current rate of a 300 - dollar Amazon gift card.