Go to Primedice and pay from 50 sat increasing 100% when you lose. and return to 50 sat when you win. Go always on manually!
You can try with more 1000 sat .
Do not depend on luck because it will not work. Gambling is not the right way to increase your bitcoin, Most of gambling lead to loss and this is how these sites are earning. if the members win, these sites will close ASAP because they will not afford paying them