That's racing- its always all or nothing and finding consistent winners is near impossible. Stick to low stakes Lucky 15s would be my advice- that way its a bit of fun, you lose hardly anything and you might sometimes win a nice sum.
You could just follow Pricewise. What is your objective, eg to have small bets for fun at the week-end, or to try to make a profit long term?
I just like a 1 off big bet on a weekend, still a beginner trying to get my head round it lol, got sm good tips yesterday made quite a tidy profit