add +1 quantity to cart

hHi,

there is any way to add +1 quantity to cart like this :

product quantity : 15
cart : total 16 for the same price of quantity 15

I’ve only one product in my store.

In other words i would like to always give a product more.

it’s possbile ?

thanks

• This topic was modified 8 years ago by emiliano19912.