Live in a country where tipping is practically unheard of. Lately pay terminals have started appearing in restaurants that have asking for tip enabled by default, and restaurants often don't know how to disable it.

Well, at least there are some safeguards. I was handed the terminal so I put in my PIN code, not realising it was actually asking for a tip. I was pretty confused when it said "value too high" or something like that.

I, an American, was ashamed when I had to ask that a tip be removed from my bill at a restaurant in Camden.

CAMDEN WAS SUPPOSED TO BE WOKE AND Y'ALL FUCKING DOG OVER HERE

Pay your damn staff a good wage

In most places even if you tip cash they are supposed to keep that for the tip pool and it is split. Often among the cook staff and other people at the restaurant.

Americunts shit on you when you tell them tipping culture is bad. Like, here in my third world country, where we all earn a misery compared to the minimum wage in burger land, we can say no to tips or just give a few cents or some more...fuck this. Food is already expensive. I am not going to waste extra cash for my food.

Who carries cash, though?

Hi!

I want to know what it says under 30%.

Please write this code and I'll do it ~~tomorrow~~ when stuff opens today.

No negative sign on the keyboard. But you can enter 2147483647

its an sql injection attack.
its rather unlikely that it works in a modern app.

assuming this would work,
it injects a command in the sql database.

it is assumed that the app runs a sql querry with the input field as a parameter e.g.
INSERT INTO "bills" (item, ammount, tip) VALUES ("steak", "20,00 $", "content of the custom tip goes here");

the semicolon indicates the end of the querry,
so the the text would cause the app to run an unfinished querry, and then start a new querry that messes up the content of the bills table.

Nothing. For one, it won't let you enter letters. Two, the table structure to these POS systems are more nuanced than a simple bills table with am amounts field.

It's amusing and all, but it's not something you can do.

Source: work with, and develop around, these types of POS systems.

Amount/0

Negative tip value.

Eventually people will say that about the current options lol.

There should be no default percent options at all. None.

'complete transaction' or 'add optional tip'.

I hate %, give me a option to round up to the nearest 5. This is useful for my financial tracking, and I'm willing to bet a lot of people would like nice round numbers. If I buy a coffee or whatever and it's $7 I round up to $10, not because I'm trying to give a good tip but because it's more convenient for me when I'm sitting there doing my finances (I track everything) and while I know that not everyone would universally agree maybe they would only want to round up to the nearest whole dollar the fact remains I feel like most places would actually end up with more total tips overall if that was a one button option

Literally saw 25% to 50% range the other day

In my country, we can buy pre-paid credit cards in the supermarket using cash. I guess that is still traceable using supermarket security cameras and facial recognition, but if you're attempting this, I'd make it as difficult as possible.

Prepaid VISA gift card purchased with cash.