In the case of where my daughter works, they would have to pay her about $52 an hour to equal what she is currently earning with minimum wage plus tips. Don't think her employer could afford to pay the wait staff like that or charge enough to cover. Prices would be so high there would be no customers.
Back in the 1984 timeframe, my ex told me she made almost $400+ on one table she served. There was a group of about 6-8 Japanese businessmen (This is in Bethesda), and the check for the table was about $200.
That place had a smallish menu of great items, like chicken and ribs, steak and chicken, steak and ribs -- you get the picture. Basically more food than most people can finish not to mention the sides, and it came with the all-you-can-eat salad bar of at least 30 items plus all-you-can-drink beer, wine and/or Sangria.
I have a feeling the all-you-can drink factored into her tip. Two men fought over who would get the honor of paying the check. Then they decided one would get the check, and one would get the tip.
So, the first guy put down his $200 give or take, then the tipster put down $100 tip.
That made the first guy embarrassed that the check was nothing more than $200, so he added another $100 to the tip. The two guys kept tossing out money on top of the tip until someone in the group said enough.
My ex wound up with the lion's share of over $400, and she shared with the others in the kitchen and on the floor who.
I wish that was the norm, but it's not. Normally she made about $300-450 in tips per 6 hour shift at night. Weekends were best, of course.
That's an average of $66/hour in just tips. If I remember, she mainly worked the busiest nights and took 2-3 days off midweek.
It was hard work being on her feet all night and being nice to people who aren't always the nicest to servers. But, it beat the heck out of most gigs.
While still in school, she worked a couple of Summers at Chesapeake Bay Seafood House. Great food and it's all you can eat. Whatever you order as your main entree you can then reorder anything else on the menu of equal or lesser price. The steamed king crab legs were at the top. Get that, and you own the menu -- or it owns you!
Remember, this was in the mid-80's. prices and wages are much higher now, as is the tipping if the same percentages are used. (15-20%).