If

Subordinating conjunction

  he

👨

Pronoun

  makes

Verb

  a

Determiner

  buying

Noun

  mistake

Noun

,  it

Pronoun

  doesn't

  affect

Verb

  him

Pronoun

  much

Adverb

.

If he makes a buying mistake, it doesn't affect him much.

If he makes a buying mistake, it doesn't affect him much.