Try excluding Null values from your money filter. I did that in Superstore when I had other filters on my viz and that made the range in my Profit filter update dynamically depending on the other filter selections. Mine is also set to Only Relevant Values.
P.S. It looks like users will need to clear the money filter if they then want to choose something else from the other filters in order to get the dynamic range again. You'll want to make sure the Show All Values Button option is enabled in the Customize filter settings to keep that Filter icon with the red X that clears it. It is enabled by default.
Thanks a lot Jen, it helped!