Final answer:
Experiencing doubt after purchasing an Amazon Fire HD 10 tablet upon seeing an advertisement for a Samsung Galaxy Tab S3 is an example of buyer's remorse, which is a sense of regret after making a purchase.
Step-by-step explanation:
After purchasing an Amazon Fire HD 10 tablet and then second-guessing your decision upon seeing an ad for a Samsung Galaxy Tab S3, you are most likely experiencing buyer's remorse. Buyer's remorse is a common feeling where a consumer doubts the decision to make a purchase, which can often occur when information provided about products is imperfect or unclear.
Every purchase decision is influenced by the expectations of satisfaction from the product, based on the information available at the time of buying. The problem of imperfect information can lead to regret over past decisions and hesitation in making new ones. It is important as a consumer to assess the available information to minimize the chances of experiencing buyer's remorse.