It was not a huge improvement, but the letters had to be sent anyway so tweaking the wording had come at negligible cost.

This can be achieved at negligible cost.

He claims that the rewording led to a 16% increase in payment, at negligible cost.

We have developed and implemented at negligible cost to the taxpayer an electronic patient record that integrates the general practice, hospital and social care records in a single format.

A small rural community could use a system like this indefinitely, and it would provide clean drinking water at a negligible cost after the initial equipment purchase and setup.