If I had a kid or grandkid or whatever who was potentially going to be competing in the Olympics, I would have been making plans to get there as soon as I became aware of this being a possibility. Working extra shifts, selling stuff I did not need, having yard sales, bake sales… whatever it took to save the money. Asking strangers on the internet to chip in… no way. No different than standing out on the street with a cardboard sign.
This is not like people with real needs… like medical emergencies