20-25%. it started off at 20%. i m with you, eric. if it s horrific and terrible and you all have the experiences i have gone down to 15%. i am known to tip 30%. sky cap at airport, little trick. if you do it with the sky track, they will put first class tags on your bag and give priority to your bag. dai dana: recommendation, waitresses and waiterers who work breakfast, double what you thought you d give them. breakfast is the least expensive meal of the day, and the hardest one to do waiting service on. bob: i m a good tipper, too. when dana and i were staying at the hotel dana: separately. bob: we were there separately. dana decides she will tip, she and i were going to tip the entire hotel. she tipped everybody from the furnace downstairs to everybody.