Making a good purchasing decision requires?

comparing the prices of similar items

reading reviews of the product

waiting until the product is on sale, if possible

All of the above

All of the above

Step-by-step explanation:

Making a good purchasing decision requires comparing the prices of similar items,

reading reviews of the product and waiting until the product is on sale, if possible.

For a consumer to make the best purchasing decision, he needs to compare the prices of similar product or substitute so as to maximize utility. The aim to buy a good quality product at less price.

The Consumer also needs to read the review of the product made by previous users of the product. This is to ensure that he makes he doesn't make the mistake of purchasing low quality product.

He also needs to wait until the product is on sale before deciding on purchasing it. This is to there is no regret of purchasing a product that is of low quality later in the future.