Fresh vegetables. City Council is systematically demolishing kiosks in the estates. It's just a matter of time before they get to yours and all the kiosks will disappear.
30k is more than enough to buy the stock, but you have to get a council license for about 5k to 10k pa depending on size and location
Nothing is real unless it can be named; nothing has value unless it can be sold; money is worthless unless you spend it.