So if I get a sample of 100 Races, and just supposing we accept that it is a representative sample, even though 100 ain't enough in the REAL World, should all my animals , when grouped in Order of MY Favouritism , be showing similar losses if I have done a good job of handicapping?
Or should My top selections be showing a Profit, based on the Odds I calculated, with a progressively worse result as I go down my list?

Or should I not concentrate on Profits and Losses , and just confine myself to the percentage of Winners, as you described in your very first post giving me advice?