The lottery prizes increase once you hit level 100.Collect and save your lottery tickets until atleast level 100.You can also bulk send Connect requests to all members of your Club once you join one.This will increase how many Daily Chips you get (max 100 likes, max 25 friends).While playing slots, send Likes and Connect with others as new players show up.Collect Free chips from the Club Wall as they become available.I would also recommend increasing the member size too. You can use the Advanced Search to specify level.
Join a club that is atleast level 20 that completes daily events.The tips also apply to Billionaire Casino. Here are some tips for those who are are working on Huuuge Casino.
