"Stingy" or "greedy"? $125 each way for a 10# pet that can be handled in an under-seat carryon is greedy.
Wait until UA* announces their new carryon fees: $125 for your official carryon & $50 for your "personal item". Per segment.
*No idea that UA will actually do this first, but once somebody does there surely will be a feeding frenzy at all the legacies.