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.
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.