When it comes to tipping, my experience for the good majority of my life is to leave at least 25%, so being your meal is like $10 or so you would want to leave at least $2.50 tip. Now as far as changing the current tipping system this topic is something that I am not well versed on, but at all if anything that I could say is leaving like maybe on the menu for that restaurant leaving a oh like an index so to speak of you know if your meal is x amount of dollars then you need to leave x amount of a tip.