One thing to keep in mind when tipping is to tip based on a percentage of the theoretical win and not a percentage of the actual jackpots.
I use 5% of theo as a maximum. When you hit a Royal Flush on the Palms deuces, 5% of the Jackpot would be around $50. This is an over-tip because even though the JP is $1,000+ the overlay is not nearly that large.
You're expecting to lose around $580 to hit the Royal on that bank making a reasonable tip in the neighborhood of $20. $420 x .5 = $21.
If you were at the new M progressive and hit a JP for $2,600 the theo could be as low as $300 and a $20 would still be in order, because the game cost is much higher. If you hit one of the $4,000+ JP's at M you could tip as much as $75 and not be cutting significantly into your earn as your theo at that high a play number is well over $1,500.
To protect your EV you have to ignore JP size and tip based on theo.
5% has always seemed reasonable to me. This is of course just my opinion. This is one of those issues where there might not be a perfect strategy. Too many human elements.
~FK
