So I decided to do Internet research (for what it's worth )
Adam Rippon: Cost of Figure Skating Per Year
Adam ballparks $70K to $100K a year for a top US skater. (2019 interview)
Median US income in 2019: $68K. (if I am reading this correctly. Some hard core econ charts attached)
Income and Poverty in the United States: 2019
This report presents data on income, earnings, income inequality & poverty in the United States based on information collected in the 2018 and earlier CPS ASEC.www.census.gov
For a sport that gives you next to no chance of earning it back, unless you're Michelle Kwan, it is a labor of love.
Well let's be honest a lot of these athletes are underage and more than likely the fees are paid for by their parents, its easy to do the 'labor of love' with no chance of earning it back when you're not the 1 really footing the bill.