If I would of layed every single favourite with a maximum liabilityof £10 barring two horses that were over 5/1, where they'd of each been an £11 liability bet, this would of been the outcome using standard % rate commission on winners.
5 favourite's won = Lost -£50 23 Non-favourite's Won - £74.21
Every day breeds different results, more research before I commit myself to this new found interest of mine.