[pizzalife]

Why? Because handling cash is expensive. You need to make trips to the bank (takes time + risk) to deposit, or you pay some company to do it for you (cost).

Positives: You don't need to deal with any of that.

Negatives: You can't take business from people who only have cash, but depending on what you're selling that might not really matter.

[superfrank]

Don't forget that there's far less risk of theft, both from employees and non-employees when there's no cash on site.

Also, needing to keep cash in small bills in the drawer to make change is a big pain in the ass.

[blibble]

the employees need to manage their floats too (counting before and after + balancing it)

and you likely need a safe on premises too when their floats under/overflow, and controls around that

cash is a huge pain in the ass