подешевел

In a sentence

• Этот товар подешевел после скидки.

  This item became cheaper after the discount.

  Here, 'подешевел' is used as the past tense of the verb 'подешеветь,' indicating that the item became less expensive.

• С тех пор, как подешевел бензин, ездить стало выгоднее.

  Since gasoline got cheaper, driving has become more economical.

  In this sentence, 'подешевел' describes a completed action where the price of gasoline decreased.

• Если этот продукт подешевеет, я куплю его.

  If this product becomes cheaper, I will buy it.

  Here, 'подешевеет' is the future tense form, showing a potential price reduction of the product.