Sometimes you got to speculate to accumulate!
Best way to better the odds in your favour, is to go all in (or buy all ten tickets!) And make sure you're really busy on the forum that week.
THIS IS NO GUARANTEE, but it does better the odds in your favour. Also helps if not won in a while. Yes rarely someone.will win only a couple weeks apart, but generally speaking, no point doing it 2 weeks in a row.