Just out of curiosity,
if you use your free rolls for lottery tickets, is it possible to win anything in the lottery?
I've tried sometime ago the free rolls every hour and I got some satoshi which I exchanged for lottery tickets, of course they were like 100 or 200 tickets, almost impossible to win, but still a fun to play.
Gamble it instead? Although. If you can stay up for 24 hours, start a 1000 RP bonus and then in 10 hours start a lottery 1000 ticket bonus per roll and then you're more likely to win. There are users with low ticket numbers who win the lottery here and some with high numbers of tickets who lose, it's all luck based and there is always a change you will win.