Power meters are expensive.
There’s a good chance you don’t even need a power meter.
Here’s a little secret – you can still train with power, even if you don’t have a power meter!
You can use the concept of perceived exertion.
Basically, you are your own power meter.
You’re estimating how hard you are going.
In the long run, when combined with other metrics, it’s very useful.
Of course, it is really nice to have a power meter.