small change
chickenfeed
chump change

Small changes had been made to the house over the years.

Since then, only small changes were made to the building.

Making even small changes for the better will help you look and feel your best!

And too small a change would do us no good.

And with each small change, the boy seemed to understand him better.

She went to a pay phone and used her small change to make a local call.

Small changes can have a big impact on your health.

Most people have more success when they make small changes, one step at a time.

Even a small change can add up to big numbers.

This kind of party still works today, with a few small changes.