At some point in every freelancer’s career, a client is going to request that you work for free (or cheap).
My answer is, in short – thanks, but no. Any client that remotely values your time and expertise isn’t going to ask you to work for free or for cheap.
Equally, any freelancer that values themselves is not going to work for free. There are a couple of very small exceptions though.
Here are the ways that you might see the subject of free or reduced rate work brought up…