A $5-$25 reel slot player will get everything comped. They never come out ahead in the long run. Highly profitable and great theoretical for host. Anyone who plays slots on a regular basis and claims to be ahead lifetime also believes his wife was a virgin until she met him and the tooth fairy exists.

$100 tip on an 8k jp is nice, nothing great. Tip what you feel like. It doesn't change the results on the machines.