I can guarantee there is no collusion to keep prices high, at least as far as one supplier is concerned.
There is a constant survey by any web seller of competitors' prices, and a decision whether to lower prices to match, or lose market share rather than sell at a loss, and hope competitors go broke.
However, there is a well known way to make a small fortune in aviation.
And the beginning of what is likely to be a deep recession is obviously the right time.
Good luck.