Paypal will do small payments for 9 cents plus 5%, or 7 euro cents plus 6.5%. That can handle pretty small charges. And a charger network can have a running b

Paypal will do small payments for 9 cents plus 5%, or 7 euro cents plus 6.5%. That can handle pretty small charges. And a charger network can have a running balance for small payments without a garbage app.